Home / 1,080,202.52-1,490,679.46-627,522.68

Finding the Fourth Proportional to 1,080,202.52, 1,490,679.46 and 627,522.68

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Solution

The fourth proportional to 1,080,202.52, 1,490,679.46 and 627,522.68 is: 865,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,202.52 : 1,490,679.46 = 627,522.68 : x
  2. Step 2: Convert to fraction form
    1,080,202.52/1,490,679.46 = 627,522.68/x
  3. Step 3: Cross multiply
    1,080,202.52x = 1,490,679.46 × 627,522.68
  4. Step 4: Simplify right side
    1,080,202.52x = 935,435,169,760.15
  5. Step 5: Solve for x
    x = 935,435,169,760.15/1,080,202.52
  6. Step 6: Final answer
    x = 865,981.29

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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.