Home / 1,520,825.80-2,098,961.28-876,121.96

Finding the Fourth Proportional to 1,520,825.80, 2,098,961.28 and 876,121.96

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Solution

The fourth proportional to 1,520,825.80, 2,098,961.28 and 876,121.96 is: 1,209,176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,825.80 : 2,098,961.28 = 876,121.96 : x
  2. Step 2: Convert to fraction form
    1,520,825.80/2,098,961.28 = 876,121.96/x
  3. Step 3: Cross multiply
    1,520,825.80x = 2,098,961.28 × 876,121.96
  4. Step 4: Simplify right side
    1,520,825.80x = 1,838,946,070,597.71
  5. Step 5: Solve for x
    x = 1,838,946,070,597.71/1,520,825.80
  6. Step 6: Final answer
    x = 1,209,176.01

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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.