Home / 1,102,849.92-1,654,268.76-429,399.72

Finding the Fourth Proportional to 1,102,849.92, 1,654,268.76 and 429,399.72

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Solution

The fourth proportional to 1,102,849.92, 1,654,268.76 and 429,399.72 is: 644,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,849.92 : 1,654,268.76 = 429,399.72 : x
  2. Step 2: Convert to fraction form
    1,102,849.92/1,654,268.76 = 429,399.72/x
  3. Step 3: Cross multiply
    1,102,849.92x = 1,654,268.76 × 429,399.72
  4. Step 4: Simplify right side
    1,102,849.92x = 710,342,542,348.75
  5. Step 5: Solve for x
    x = 710,342,542,348.75/1,102,849.92
  6. Step 6: Final answer
    x = 644,097.20

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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.