Home / 1,341,770.70-2,012,121.45-442,962.30

Finding the Fourth Proportional to 1,341,770.70, 2,012,121.45 and 442,962.30

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Solution

The fourth proportional to 1,341,770.70, 2,012,121.45 and 442,962.30 is: 664,266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,770.70 : 2,012,121.45 = 442,962.30 : x
  2. Step 2: Convert to fraction form
    1,341,770.70/2,012,121.45 = 442,962.30/x
  3. Step 3: Cross multiply
    1,341,770.70x = 2,012,121.45 × 442,962.30
  4. Step 4: Simplify right side
    1,341,770.70x = 891,293,945,371.34
  5. Step 5: Solve for x
    x = 891,293,945,371.34/1,341,770.70
  6. Step 6: Final answer
    x = 664,266.96

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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.