Home / 1,152,521.22-1,727,382.12-815,660.34

Finding the Fourth Proportional to 1,152,521.22, 1,727,382.12 and 815,660.34

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Solution

The fourth proportional to 1,152,521.22, 1,727,382.12 and 815,660.34 is: 1,222,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,521.22 : 1,727,382.12 = 815,660.34 : x
  2. Step 2: Convert to fraction form
    1,152,521.22/1,727,382.12 = 815,660.34/x
  3. Step 3: Cross multiply
    1,152,521.22x = 1,727,382.12 × 815,660.34
  4. Step 4: Simplify right side
    1,152,521.22x = 1,408,957,087,309.12
  5. Step 5: Solve for x
    x = 1,408,957,087,309.12/1,152,521.22
  6. Step 6: Final answer
    x = 1,222,499.91

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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.