Home / 1,659,909.90-2,489,864.85-862,748.40

Finding the Fourth Proportional to 1,659,909.90, 2,489,864.85 and 862,748.40

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Solution

The fourth proportional to 1,659,909.90, 2,489,864.85 and 862,748.40 is: 1,294,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,909.90 : 2,489,864.85 = 862,748.40 : x
  2. Step 2: Convert to fraction form
    1,659,909.90/2,489,864.85 = 862,748.40/x
  3. Step 3: Cross multiply
    1,659,909.90x = 2,489,864.85 × 862,748.40
  4. Step 4: Simplify right side
    1,659,909.90x = 2,148,126,915,553.74
  5. Step 5: Solve for x
    x = 2,148,126,915,553.74/1,659,909.90
  6. Step 6: Final answer
    x = 1,294,122.60

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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.