Home / 1,157,691.78-1,598,169.96-813,822.48

Finding the Fourth Proportional to 1,157,691.78, 1,598,169.96 and 813,822.48

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Solution

The fourth proportional to 1,157,691.78, 1,598,169.96 and 813,822.48 is: 1,123,465.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,691.78 : 1,598,169.96 = 813,822.48 : x
  2. Step 2: Convert to fraction form
    1,157,691.78/1,598,169.96 = 813,822.48/x
  3. Step 3: Cross multiply
    1,157,691.78x = 1,598,169.96 × 813,822.48
  4. Step 4: Simplify right side
    1,157,691.78x = 1,300,626,640,308.70
  5. Step 5: Solve for x
    x = 1,300,626,640,308.70/1,157,691.78
  6. Step 6: Final answer
    x = 1,123,465.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.