Home / 1,098,018.73-1,515,250.12-607,941.28

Finding the Fourth Proportional to 1,098,018.73, 1,515,250.12 and 607,941.28

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Solution

The fourth proportional to 1,098,018.73, 1,515,250.12 and 607,941.28 is: 838,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,018.73 : 1,515,250.12 = 607,941.28 : x
  2. Step 2: Convert to fraction form
    1,098,018.73/1,515,250.12 = 607,941.28/x
  3. Step 3: Cross multiply
    1,098,018.73x = 1,515,250.12 × 607,941.28
  4. Step 4: Simplify right side
    1,098,018.73x = 921,183,097,472.95
  5. Step 5: Solve for x
    x = 921,183,097,472.95/1,098,018.73
  6. Step 6: Final answer
    x = 838,950.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.