Home / 1,025,906.85-1,538,891.49-351,978.69

Finding the Fourth Proportional to 1,025,906.85, 1,538,891.49 and 351,978.69

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Solution

The fourth proportional to 1,025,906.85, 1,538,891.49 and 351,978.69 is: 527,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,906.85 : 1,538,891.49 = 351,978.69 : x
  2. Step 2: Convert to fraction form
    1,025,906.85/1,538,891.49 = 351,978.69/x
  3. Step 3: Cross multiply
    1,025,906.85x = 1,538,891.49 × 351,978.69
  4. Step 4: Simplify right side
    1,025,906.85x = 541,657,010,702.35
  5. Step 5: Solve for x
    x = 541,657,010,702.35/1,025,906.85
  6. Step 6: Final answer
    x = 527,978.74

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Double scale
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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.