Home / 1,380,122.70-2,070,266.72-433,493.39

Finding the Fourth Proportional to 1,380,122.70, 2,070,266.72 and 433,493.39

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Solution

The fourth proportional to 1,380,122.70, 2,070,266.72 and 433,493.39 is: 650,266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,122.70 : 2,070,266.72 = 433,493.39 : x
  2. Step 2: Convert to fraction form
    1,380,122.70/2,070,266.72 = 433,493.39/x
  3. Step 3: Cross multiply
    1,380,122.70x = 2,070,266.72 × 433,493.39
  4. Step 4: Simplify right side
    1,380,122.70x = 897,446,926,138.18
  5. Step 5: Solve for x
    x = 897,446,926,138.18/1,380,122.70
  6. Step 6: Final answer
    x = 650,266.04

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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.