Home / 1,361,195.92-1,878,417.24-749,343.72

Finding the Fourth Proportional to 1,361,195.92, 1,878,417.24 and 749,343.72

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Solution

The fourth proportional to 1,361,195.92, 1,878,417.24 and 749,343.72 is: 1,034,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,195.92 : 1,878,417.24 = 749,343.72 : x
  2. Step 2: Convert to fraction form
    1,361,195.92/1,878,417.24 = 749,343.72/x
  3. Step 3: Cross multiply
    1,361,195.92x = 1,878,417.24 × 749,343.72
  4. Step 4: Simplify right side
    1,361,195.92x = 1,407,580,162,333.73
  5. Step 5: Solve for x
    x = 1,407,580,162,333.73/1,361,195.92
  6. Step 6: Final answer
    x = 1,034,076.10

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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.