Home / 1,063,402.80-1,595,405.52-432,769.20

Finding the Fourth Proportional to 1,063,402.80, 1,595,405.52 and 432,769.20

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Solution

The fourth proportional to 1,063,402.80, 1,595,405.52 and 432,769.20 is: 649,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,402.80 : 1,595,405.52 = 432,769.20 : x
  2. Step 2: Convert to fraction form
    1,063,402.80/1,595,405.52 = 432,769.20/x
  3. Step 3: Cross multiply
    1,063,402.80x = 1,595,405.52 × 432,769.20
  4. Step 4: Simplify right side
    1,063,402.80x = 690,442,370,565.98
  5. Step 5: Solve for x
    x = 690,442,370,565.98/1,063,402.80
  6. Step 6: Final answer
    x = 649,276.43

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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.