Home / 1,028,593.52-1,543,134.90-429,221.60

Finding the Fourth Proportional to 1,028,593.52, 1,543,134.90 and 429,221.60

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Solution

The fourth proportional to 1,028,593.52, 1,543,134.90 and 429,221.60 is: 643,934.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,593.52 : 1,543,134.90 = 429,221.60 : x
  2. Step 2: Convert to fraction form
    1,028,593.52/1,543,134.90 = 429,221.60/x
  3. Step 3: Cross multiply
    1,028,593.52x = 1,543,134.90 × 429,221.60
  4. Step 4: Simplify right side
    1,028,593.52x = 662,346,830,793.84
  5. Step 5: Solve for x
    x = 662,346,830,793.84/1,028,593.52
  6. Step 6: Final answer
    x = 643,934.48

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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.