Home / 1,405,193.12-2,108,125.04-458,565.56

Finding the Fourth Proportional to 1,405,193.12, 2,108,125.04 and 458,565.56

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Solution

The fourth proportional to 1,405,193.12, 2,108,125.04 and 458,565.56 is: 687,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,193.12 : 2,108,125.04 = 458,565.56 : x
  2. Step 2: Convert to fraction form
    1,405,193.12/2,108,125.04 = 458,565.56/x
  3. Step 3: Cross multiply
    1,405,193.12x = 2,108,125.04 × 458,565.56
  4. Step 4: Simplify right side
    1,405,193.12x = 966,713,539,517.62
  5. Step 5: Solve for x
    x = 966,713,539,517.62/1,405,193.12
  6. Step 6: Final answer
    x = 687,957.78

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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.