Home / 1,170,071.90-1,755,691.05-665,020.70

Finding the Fourth Proportional to 1,170,071.90, 1,755,691.05 and 665,020.70

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Solution

The fourth proportional to 1,170,071.90, 1,755,691.05 and 665,020.70 is: 997,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,071.90 : 1,755,691.05 = 665,020.70 : x
  2. Step 2: Convert to fraction form
    1,170,071.90/1,755,691.05 = 665,020.70/x
  3. Step 3: Cross multiply
    1,170,071.90x = 1,755,691.05 × 665,020.70
  4. Step 4: Simplify right side
    1,170,071.90x = 1,167,570,891,054.73
  5. Step 5: Solve for x
    x = 1,167,570,891,054.73/1,170,071.90
  6. Step 6: Final answer
    x = 997,862.52

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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.