Home / 1,221,680.80-1,832,521.20-1,169,848.90

Finding the Fourth Proportional to 1,221,680.80, 1,832,521.20 and 1,169,848.90

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Solution

The fourth proportional to 1,221,680.80, 1,832,521.20 and 1,169,848.90 is: 1,754,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,680.80 : 1,832,521.20 = 1,169,848.90 : x
  2. Step 2: Convert to fraction form
    1,221,680.80/1,832,521.20 = 1,169,848.90/x
  3. Step 3: Cross multiply
    1,221,680.80x = 1,832,521.20 × 1,169,848.90
  4. Step 4: Simplify right side
    1,221,680.80x = 2,143,772,910,046.68
  5. Step 5: Solve for x
    x = 2,143,772,910,046.68/1,221,680.80
  6. Step 6: Final answer
    x = 1,754,773.35

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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.