Home / 1,248,778.13-1,723,313.80-675,818.30

Finding the Fourth Proportional to 1,248,778.13, 1,723,313.80 and 675,818.30

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Solution

The fourth proportional to 1,248,778.13, 1,723,313.80 and 675,818.30 is: 932,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,778.13 : 1,723,313.80 = 675,818.30 : x
  2. Step 2: Convert to fraction form
    1,248,778.13/1,723,313.80 = 675,818.30/x
  3. Step 3: Cross multiply
    1,248,778.13x = 1,723,313.80 × 675,818.30
  4. Step 4: Simplify right side
    1,248,778.13x = 1,164,647,003,642.20
  5. Step 5: Solve for x
    x = 1,164,647,003,642.20/1,248,778.13
  6. Step 6: Final answer
    x = 932,629.24

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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.