Home / 1,098,434.52-1,647,914.82-458,382.20

Finding the Fourth Proportional to 1,098,434.52, 1,647,914.82 and 458,382.20

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Solution

The fourth proportional to 1,098,434.52, 1,647,914.82 and 458,382.20 is: 687,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,434.52 : 1,647,914.82 = 458,382.20 : x
  2. Step 2: Convert to fraction form
    1,098,434.52/1,647,914.82 = 458,382.20/x
  3. Step 3: Cross multiply
    1,098,434.52x = 1,647,914.82 × 458,382.20
  4. Step 4: Simplify right side
    1,098,434.52x = 755,374,820,604.20
  5. Step 5: Solve for x
    x = 755,374,820,604.20/1,098,434.52
  6. Step 6: Final answer
    x = 687,683.07

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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.