Home / 1,428,753.64-2,140,251.38-949,251.46

Finding the Fourth Proportional to 1,428,753.64, 2,140,251.38 and 949,251.46

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Solution

The fourth proportional to 1,428,753.64, 2,140,251.38 and 949,251.46 is: 1,421,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,753.64 : 2,140,251.38 = 949,251.46 : x
  2. Step 2: Convert to fraction form
    1,428,753.64/2,140,251.38 = 949,251.46/x
  3. Step 3: Cross multiply
    1,428,753.64x = 2,140,251.38 × 949,251.46
  4. Step 4: Simplify right side
    1,428,753.64x = 2,031,636,747,232.01
  5. Step 5: Solve for x
    x = 2,031,636,747,232.01/1,428,753.64
  6. Step 6: Final answer
    x = 1,421,964.35

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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.