Home / 1,241,629.70-1,862,007.15-442,937.30

Finding the Fourth Proportional to 1,241,629.70, 1,862,007.15 and 442,937.30

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Solution

The fourth proportional to 1,241,629.70, 1,862,007.15 and 442,937.30 is: 664,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,629.70 : 1,862,007.15 = 442,937.30 : x
  2. Step 2: Convert to fraction form
    1,241,629.70/1,862,007.15 = 442,937.30/x
  3. Step 3: Cross multiply
    1,241,629.70x = 1,862,007.15 × 442,937.30
  4. Step 4: Simplify right side
    1,241,629.70x = 824,752,419,601.70
  5. Step 5: Solve for x
    x = 824,752,419,601.70/1,241,629.70
  6. Step 6: Final answer
    x = 664,249.91

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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.