Home / 1,428,418-2,143,227.84-889,125.22

Finding the Fourth Proportional to 1,428,418, 2,143,227.84 and 889,125.22

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Solution

The fourth proportional to 1,428,418, 2,143,227.84 and 889,125.22 is: 1,334,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,418 : 2,143,227.84 = 889,125.22 : x
  2. Step 2: Convert to fraction form
    1,428,418/2,143,227.84 = 889,125.22/x
  3. Step 3: Cross multiply
    1,428,418x = 2,143,227.84 × 889,125.22
  4. Step 4: Simplify right side
    1,428,418x = 1,905,597,924,750.12
  5. Step 5: Solve for x
    x = 1,905,597,924,750.12/1,428,418
  6. Step 6: Final answer
    x = 1,334,061.83

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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.