Home / 1,120,964.80-1,681,447.20-924,134.80

Finding the Fourth Proportional to 1,120,964.80, 1,681,447.20 and 924,134.80

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Solution

The fourth proportional to 1,120,964.80, 1,681,447.20 and 924,134.80 is: 1,386,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,964.80 : 1,681,447.20 = 924,134.80 : x
  2. Step 2: Convert to fraction form
    1,120,964.80/1,681,447.20 = 924,134.80/x
  3. Step 3: Cross multiply
    1,120,964.80x = 1,681,447.20 × 924,134.80
  4. Step 4: Simplify right side
    1,120,964.80x = 1,553,883,871,882.56
  5. Step 5: Solve for x
    x = 1,553,883,871,882.56/1,120,964.80
  6. Step 6: Final answer
    x = 1,386,202.20

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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.