Home / 1,231,307.40-1,846,961.10-433,489.80

Finding the Fourth Proportional to 1,231,307.40, 1,846,961.10 and 433,489.80

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Solution

The fourth proportional to 1,231,307.40, 1,846,961.10 and 433,489.80 is: 650,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,307.40 : 1,846,961.10 = 433,489.80 : x
  2. Step 2: Convert to fraction form
    1,231,307.40/1,846,961.10 = 433,489.80/x
  3. Step 3: Cross multiply
    1,231,307.40x = 1,846,961.10 × 433,489.80
  4. Step 4: Simplify right side
    1,231,307.40x = 800,638,797,846.78
  5. Step 5: Solve for x
    x = 800,638,797,846.78/1,231,307.40
  6. Step 6: Final answer
    x = 650,234.70

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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.