Home / 1,010,806.20-1,512,062.10-911,273.40

Finding the Fourth Proportional to 1,010,806.20, 1,512,062.10 and 911,273.40

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Solution

The fourth proportional to 1,010,806.20, 1,512,062.10 and 911,273.40 is: 1,363,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,806.20 : 1,512,062.10 = 911,273.40 : x
  2. Step 2: Convert to fraction form
    1,010,806.20/1,512,062.10 = 911,273.40/x
  3. Step 3: Cross multiply
    1,010,806.20x = 1,512,062.10 × 911,273.40
  4. Step 4: Simplify right side
    1,010,806.20x = 1,377,901,970,878.14
  5. Step 5: Solve for x
    x = 1,377,901,970,878.14/1,010,806.20
  6. Step 6: Final answer
    x = 1,363,171.27

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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.