Home / 1,092,572.52-1,638,800.46-418,976.52

Finding the Fourth Proportional to 1,092,572.52, 1,638,800.46 and 418,976.52

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Solution

The fourth proportional to 1,092,572.52, 1,638,800.46 and 418,976.52 is: 628,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,572.52 : 1,638,800.46 = 418,976.52 : x
  2. Step 2: Convert to fraction form
    1,092,572.52/1,638,800.46 = 418,976.52/x
  3. Step 3: Cross multiply
    1,092,572.52x = 1,638,800.46 × 418,976.52
  4. Step 4: Simplify right side
    1,092,572.52x = 686,618,913,705.20
  5. Step 5: Solve for x
    x = 686,618,913,705.20/1,092,572.52
  6. Step 6: Final answer
    x = 628,442.42

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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.