Home / 1,170,074.60-1,755,111.90-571,419.80

Finding the Fourth Proportional to 1,170,074.60, 1,755,111.90 and 571,419.80

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Solution

The fourth proportional to 1,170,074.60, 1,755,111.90 and 571,419.80 is: 857,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,074.60 : 1,755,111.90 = 571,419.80 : x
  2. Step 2: Convert to fraction form
    1,170,074.60/1,755,111.90 = 571,419.80/x
  3. Step 3: Cross multiply
    1,170,074.60x = 1,755,111.90 × 571,419.80
  4. Step 4: Simplify right side
    1,170,074.60x = 1,002,905,690,875.62
  5. Step 5: Solve for x
    x = 1,002,905,690,875.62/1,170,074.60
  6. Step 6: Final answer
    x = 857,129.70

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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.