Home / 1,250,517.87-1,725,715.07-677,558.10

Finding the Fourth Proportional to 1,250,517.87, 1,725,715.07 and 677,558.10

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Solution

The fourth proportional to 1,250,517.87, 1,725,715.07 and 677,558.10 is: 935,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,517.87 : 1,725,715.07 = 677,558.10 : x
  2. Step 2: Convert to fraction form
    1,250,517.87/1,725,715.07 = 677,558.10/x
  3. Step 3: Cross multiply
    1,250,517.87x = 1,725,715.07 × 677,558.10
  4. Step 4: Simplify right side
    1,250,517.87x = 1,169,272,220,582.78
  5. Step 5: Solve for x
    x = 1,169,272,220,582.78/1,250,517.87
  6. Step 6: Final answer
    x = 935,030.40

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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.