Home / 1,123,232.40-1,550,064.60-613,943.28

Finding the Fourth Proportional to 1,123,232.40, 1,550,064.60 and 613,943.28

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Solution

The fourth proportional to 1,123,232.40, 1,550,064.60 and 613,943.28 is: 847,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,232.40 : 1,550,064.60 = 613,943.28 : x
  2. Step 2: Convert to fraction form
    1,123,232.40/1,550,064.60 = 613,943.28/x
  3. Step 3: Cross multiply
    1,123,232.40x = 1,550,064.60 × 613,943.28
  4. Step 4: Simplify right side
    1,123,232.40x = 951,651,744,735.89
  5. Step 5: Solve for x
    x = 951,651,744,735.89/1,123,232.40
  6. Step 6: Final answer
    x = 847,243.85

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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.