Home / 1,247,827.18-1,722,001.52-674,867.36

Finding the Fourth Proportional to 1,247,827.18, 1,722,001.52 and 674,867.36

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Solution

The fourth proportional to 1,247,827.18, 1,722,001.52 and 674,867.36 is: 931,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,827.18 : 1,722,001.52 = 674,867.36 : x
  2. Step 2: Convert to fraction form
    1,247,827.18/1,722,001.52 = 674,867.36/x
  3. Step 3: Cross multiply
    1,247,827.18x = 1,722,001.52 × 674,867.36
  4. Step 4: Simplify right side
    1,247,827.18x = 1,162,122,619,718.39
  5. Step 5: Solve for x
    x = 1,162,122,619,718.39/1,247,827.18
  6. Step 6: Final answer
    x = 931,316.96

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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.