Home / 1,200,275.88-1,656,983.03-927,727.85

Finding the Fourth Proportional to 1,200,275.88, 1,656,983.03 and 927,727.85

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Solution

The fourth proportional to 1,200,275.88, 1,656,983.03 and 927,727.85 is: 1,280,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,275.88 : 1,656,983.03 = 927,727.85 : x
  2. Step 2: Convert to fraction form
    1,200,275.88/1,656,983.03 = 927,727.85/x
  3. Step 3: Cross multiply
    1,200,275.88x = 1,656,983.03 × 927,727.85
  4. Step 4: Simplify right side
    1,200,275.88x = 1,537,229,290,984.83
  5. Step 5: Solve for x
    x = 1,537,229,290,984.83/1,200,275.88
  6. Step 6: Final answer
    x = 1,280,729.97

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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.