Home / 1,098,200.18-1,647,546.30-424,221.45

Finding the Fourth Proportional to 1,098,200.18, 1,647,546.30 and 424,221.45

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Solution

The fourth proportional to 1,098,200.18, 1,647,546.30 and 424,221.45 is: 636,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,200.18 : 1,647,546.30 = 424,221.45 : x
  2. Step 2: Convert to fraction form
    1,098,200.18/1,647,546.30 = 424,221.45/x
  3. Step 3: Cross multiply
    1,098,200.18x = 1,647,546.30 × 424,221.45
  4. Step 4: Simplify right side
    1,098,200.18x = 698,924,480,328.14
  5. Step 5: Solve for x
    x = 698,924,480,328.14/1,098,200.18
  6. Step 6: Final answer
    x = 636,427.22

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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.