Home / 971,213.70-1,456,820.55-876,735.30

Finding the Fourth Proportional to 971,213.70, 1,456,820.55 and 876,735.30

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Solution

The fourth proportional to 971,213.70, 1,456,820.55 and 876,735.30 is: 1,315,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,213.70 : 1,456,820.55 = 876,735.30 : x
  2. Step 2: Convert to fraction form
    971,213.70/1,456,820.55 = 876,735.30/x
  3. Step 3: Cross multiply
    971,213.70x = 1,456,820.55 × 876,735.30
  4. Step 4: Simplify right side
    971,213.70x = 1,277,246,001,950.42
  5. Step 5: Solve for x
    x = 1,277,246,001,950.42/971,213.70
  6. Step 6: Final answer
    x = 1,315,102.95

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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.