Home / 1,170,077.70-1,755,116.55-815,492.10

Finding the Fourth Proportional to 1,170,077.70, 1,755,116.55 and 815,492.10

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Solution

The fourth proportional to 1,170,077.70, 1,755,116.55 and 815,492.10 is: 1,223,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,077.70 : 1,755,116.55 = 815,492.10 : x
  2. Step 2: Convert to fraction form
    1,170,077.70/1,755,116.55 = 815,492.10/x
  3. Step 3: Cross multiply
    1,170,077.70x = 1,755,116.55 × 815,492.10
  4. Step 4: Simplify right side
    1,170,077.70x = 1,431,283,681,104.26
  5. Step 5: Solve for x
    x = 1,431,283,681,104.26/1,170,077.70
  6. Step 6: Final answer
    x = 1,223,238.15

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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.