Home / 1,040,390.20-1,560,585.30-292,436.20

Finding the Fourth Proportional to 1,040,390.20, 1,560,585.30 and 292,436.20

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Solution

The fourth proportional to 1,040,390.20, 1,560,585.30 and 292,436.20 is: 438,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,390.20 : 1,560,585.30 = 292,436.20 : x
  2. Step 2: Convert to fraction form
    1,040,390.20/1,560,585.30 = 292,436.20/x
  3. Step 3: Cross multiply
    1,040,390.20x = 1,560,585.30 × 292,436.20
  4. Step 4: Simplify right side
    1,040,390.20x = 456,371,634,907.86
  5. Step 5: Solve for x
    x = 456,371,634,907.86/1,040,390.20
  6. Step 6: Final answer
    x = 438,654.30

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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.