Home / 1,360,795.28-2,042,453.85-687,348.61

Finding the Fourth Proportional to 1,360,795.28, 2,042,453.85 and 687,348.61

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Solution

The fourth proportional to 1,360,795.28, 2,042,453.85 and 687,348.61 is: 1,031,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,795.28 : 2,042,453.85 = 687,348.61 : x
  2. Step 2: Convert to fraction form
    1,360,795.28/2,042,453.85 = 687,348.61/x
  3. Step 3: Cross multiply
    1,360,795.28x = 2,042,453.85 × 687,348.61
  4. Step 4: Simplify right side
    1,360,795.28x = 1,403,877,804,574.38
  5. Step 5: Solve for x
    x = 1,403,877,804,574.38/1,360,795.28
  6. Step 6: Final answer
    x = 1,031,659.82

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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.