Home / 1,472,892.72-2,207,529.96-762,515.76

Finding the Fourth Proportional to 1,472,892.72, 2,207,529.96 and 762,515.76

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Solution

The fourth proportional to 1,472,892.72, 2,207,529.96 and 762,515.76 is: 1,142,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,892.72 : 2,207,529.96 = 762,515.76 : x
  2. Step 2: Convert to fraction form
    1,472,892.72/2,207,529.96 = 762,515.76/x
  3. Step 3: Cross multiply
    1,472,892.72x = 2,207,529.96 × 762,515.76
  4. Step 4: Simplify right side
    1,472,892.72x = 1,683,276,385,172.17
  5. Step 5: Solve for x
    x = 1,683,276,385,172.17/1,472,892.72
  6. Step 6: Final answer
    x = 1,142,837.06

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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.