Home / 1,160,291.28-1,601,176.88-644,014.88

Finding the Fourth Proportional to 1,160,291.28, 1,601,176.88 and 644,014.88

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Solution

The fourth proportional to 1,160,291.28, 1,601,176.88 and 644,014.88 is: 888,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,291.28 : 1,601,176.88 = 644,014.88 : x
  2. Step 2: Convert to fraction form
    1,160,291.28/1,601,176.88 = 644,014.88/x
  3. Step 3: Cross multiply
    1,160,291.28x = 1,601,176.88 × 644,014.88
  4. Step 4: Simplify right side
    1,160,291.28x = 1,031,181,736,231.97
  5. Step 5: Solve for x
    x = 1,031,181,736,231.97/1,160,291.28
  6. Step 6: Final answer
    x = 888,726.61

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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.