Home / 1,098,519.20-1,645,705.20-564,221.60

Finding the Fourth Proportional to 1,098,519.20, 1,645,705.20 and 564,221.60

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Solution

The fourth proportional to 1,098,519.20, 1,645,705.20 and 564,221.60 is: 845,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,519.20 : 1,645,705.20 = 564,221.60 : x
  2. Step 2: Convert to fraction form
    1,098,519.20/1,645,705.20 = 564,221.60/x
  3. Step 3: Cross multiply
    1,098,519.20x = 1,645,705.20 × 564,221.60
  4. Step 4: Simplify right side
    1,098,519.20x = 928,542,421,072.32
  5. Step 5: Solve for x
    x = 928,542,421,072.32/1,098,519.20
  6. Step 6: Final answer
    x = 845,267.36

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Double scale
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1.5x scale

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.