Home / 1,427,229.38-1,969,603.56-782,611.13

Finding the Fourth Proportional to 1,427,229.38, 1,969,603.56 and 782,611.13

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Solution

The fourth proportional to 1,427,229.38, 1,969,603.56 and 782,611.13 is: 1,080,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,229.38 : 1,969,603.56 = 782,611.13 : x
  2. Step 2: Convert to fraction form
    1,427,229.38/1,969,603.56 = 782,611.13/x
  3. Step 3: Cross multiply
    1,427,229.38x = 1,969,603.56 × 782,611.13
  4. Step 4: Simplify right side
    1,427,229.38x = 1,541,433,657,895.61
  5. Step 5: Solve for x
    x = 1,541,433,657,895.61/1,427,229.38
  6. Step 6: Final answer
    x = 1,080,018.17

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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.