Home / 1,040,403.90-1,560,605.86-292,449.90

Finding the Fourth Proportional to 1,040,403.90, 1,560,605.86 and 292,449.90

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Solution

The fourth proportional to 1,040,403.90, 1,560,605.86 and 292,449.90 is: 438,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,403.90 : 1,560,605.86 = 292,449.90 : x
  2. Step 2: Convert to fraction form
    1,040,403.90/1,560,605.86 = 292,449.90/x
  3. Step 3: Cross multiply
    1,040,403.90x = 1,560,605.86 × 292,449.90
  4. Step 4: Simplify right side
    1,040,403.90x = 456,399,027,696.41
  5. Step 5: Solve for x
    x = 456,399,027,696.41/1,040,403.90
  6. Step 6: Final answer
    x = 438,674.85

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.