Home / 1,447,031.80-1,996,909.28-802,511.56

Finding the Fourth Proportional to 1,447,031.80, 1,996,909.28 and 802,511.56

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Solution

The fourth proportional to 1,447,031.80, 1,996,909.28 and 802,511.56 is: 1,107,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,031.80 : 1,996,909.28 = 802,511.56 : x
  2. Step 2: Convert to fraction form
    1,447,031.80/1,996,909.28 = 802,511.56/x
  3. Step 3: Cross multiply
    1,447,031.80x = 1,996,909.28 × 802,511.56
  4. Step 4: Simplify right side
    1,447,031.80x = 1,602,542,781,471.28
  5. Step 5: Solve for x
    x = 1,602,542,781,471.28/1,447,031.80
  6. Step 6: Final answer
    x = 1,107,468.95

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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.