Home / 1,494,920.10-2,242,380.15-429,899.70

Finding the Fourth Proportional to 1,494,920.10, 2,242,380.15 and 429,899.70

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Solution

The fourth proportional to 1,494,920.10, 2,242,380.15 and 429,899.70 is: 644,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,920.10 : 2,242,380.15 = 429,899.70 : x
  2. Step 2: Convert to fraction form
    1,494,920.10/2,242,380.15 = 429,899.70/x
  3. Step 3: Cross multiply
    1,494,920.10x = 2,242,380.15 × 429,899.70
  4. Step 4: Simplify right side
    1,494,920.10x = 963,998,553,770.96
  5. Step 5: Solve for x
    x = 963,998,553,770.96/1,494,920.10
  6. Step 6: Final answer
    x = 644,849.55

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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.