Home / 1,257,614.80-1,886,276.40-359,195.20

Finding the Fourth Proportional to 1,257,614.80, 1,886,276.40 and 359,195.20

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Solution

The fourth proportional to 1,257,614.80, 1,886,276.40 and 359,195.20 is: 538,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,614.80 : 1,886,276.40 = 359,195.20 : x
  2. Step 2: Convert to fraction form
    1,257,614.80/1,886,276.40 = 359,195.20/x
  3. Step 3: Cross multiply
    1,257,614.80x = 1,886,276.40 × 359,195.20
  4. Step 4: Simplify right side
    1,257,614.80x = 677,541,428,753.28
  5. Step 5: Solve for x
    x = 677,541,428,753.28/1,257,614.80
  6. Step 6: Final answer
    x = 538,751.16

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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.