Home / 1,031,267.28-1,548,031.32-819,397.20

Finding the Fourth Proportional to 1,031,267.28, 1,548,031.32 and 819,397.20

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Solution

The fourth proportional to 1,031,267.28, 1,548,031.32 and 819,397.20 is: 1,229,993.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,267.28 : 1,548,031.32 = 819,397.20 : x
  2. Step 2: Convert to fraction form
    1,031,267.28/1,548,031.32 = 819,397.20/x
  3. Step 3: Cross multiply
    1,031,267.28x = 1,548,031.32 × 819,397.20
  4. Step 4: Simplify right side
    1,031,267.28x = 1,268,452,529,120.30
  5. Step 5: Solve for x
    x = 1,268,452,529,120.30/1,031,267.28
  6. Step 6: Final answer
    x = 1,229,993.96

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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.