Home / 1,040,200.65-1,560,300.98-292,246.65

Finding the Fourth Proportional to 1,040,200.65, 1,560,300.98 and 292,246.65

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Solution

The fourth proportional to 1,040,200.65, 1,560,300.98 and 292,246.65 is: 438,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,200.65 : 1,560,300.98 = 292,246.65 : x
  2. Step 2: Convert to fraction form
    1,040,200.65/1,560,300.98 = 292,246.65/x
  3. Step 3: Cross multiply
    1,040,200.65x = 1,560,300.98 × 292,246.65
  4. Step 4: Simplify right side
    1,040,200.65x = 455,992,732,935.48
  5. Step 5: Solve for x
    x = 455,992,732,935.48/1,040,200.65
  6. Step 6: Final answer
    x = 438,369.98

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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.