Home / 1,485,692.20-2,228,279.10-538,575.40

Finding the Fourth Proportional to 1,485,692.20, 2,228,279.10 and 538,575.40

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Solution

The fourth proportional to 1,485,692.20, 2,228,279.10 and 538,575.40 is: 807,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,692.20 : 2,228,279.10 = 538,575.40 : x
  2. Step 2: Convert to fraction form
    1,485,692.20/2,228,279.10 = 538,575.40/x
  3. Step 3: Cross multiply
    1,485,692.20x = 2,228,279.10 × 538,575.40
  4. Step 4: Simplify right side
    1,485,692.20x = 1,200,096,307,594.14
  5. Step 5: Solve for x
    x = 1,200,096,307,594.14/1,485,692.20
  6. Step 6: Final answer
    x = 807,769.14

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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.