Home / 1,154,418.30-1,731,627.45-1,124,893.80

Finding the Fourth Proportional to 1,154,418.30, 1,731,627.45 and 1,124,893.80

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Solution

The fourth proportional to 1,154,418.30, 1,731,627.45 and 1,124,893.80 is: 1,687,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,418.30 : 1,731,627.45 = 1,124,893.80 : x
  2. Step 2: Convert to fraction form
    1,154,418.30/1,731,627.45 = 1,124,893.80/x
  3. Step 3: Cross multiply
    1,154,418.30x = 1,731,627.45 × 1,124,893.80
  4. Step 4: Simplify right side
    1,154,418.30x = 1,947,896,982,414.81
  5. Step 5: Solve for x
    x = 1,947,896,982,414.81/1,154,418.30
  6. Step 6: Final answer
    x = 1,687,340.70

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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.