Home / 1,383,114.90-2,074,672.35-1,205,967.90

Finding the Fourth Proportional to 1,383,114.90, 2,074,672.35 and 1,205,967.90

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Solution

The fourth proportional to 1,383,114.90, 2,074,672.35 and 1,205,967.90 is: 1,808,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,114.90 : 2,074,672.35 = 1,205,967.90 : x
  2. Step 2: Convert to fraction form
    1,383,114.90/2,074,672.35 = 1,205,967.90/x
  3. Step 3: Cross multiply
    1,383,114.90x = 2,074,672.35 × 1,205,967.90
  4. Step 4: Simplify right side
    1,383,114.90x = 2,501,988,257,117.57
  5. Step 5: Solve for x
    x = 2,501,988,257,117.57/1,383,114.90
  6. Step 6: Final answer
    x = 1,808,951.85

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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.