Home / 1,314,880.11-1,814,562.88-726,177.78

Finding the Fourth Proportional to 1,314,880.11, 1,814,562.88 and 726,177.78

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Solution

The fourth proportional to 1,314,880.11, 1,814,562.88 and 726,177.78 is: 1,002,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,880.11 : 1,814,562.88 = 726,177.78 : x
  2. Step 2: Convert to fraction form
    1,314,880.11/1,814,562.88 = 726,177.78/x
  3. Step 3: Cross multiply
    1,314,880.11x = 1,814,562.88 × 726,177.78
  4. Step 4: Simplify right side
    1,314,880.11x = 1,317,695,242,053.36
  5. Step 5: Solve for x
    x = 1,317,695,242,053.36/1,314,880.11
  6. Step 6: Final answer
    x = 1,002,140.98

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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.