Home / 1,228,459.28-1,842,951.29-429,766.88

Finding the Fourth Proportional to 1,228,459.28, 1,842,951.29 and 429,766.88

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Solution

The fourth proportional to 1,228,459.28, 1,842,951.29 and 429,766.88 is: 644,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,459.28 : 1,842,951.29 = 429,766.88 : x
  2. Step 2: Convert to fraction form
    1,228,459.28/1,842,951.29 = 429,766.88/x
  3. Step 3: Cross multiply
    1,228,459.28x = 1,842,951.29 × 429,766.88
  4. Step 4: Simplify right side
    1,228,459.28x = 792,039,414,531.68
  5. Step 5: Solve for x
    x = 792,039,414,531.68/1,228,459.28
  6. Step 6: Final answer
    x = 644,742.10

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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.