Home / 804,810.40-1,207,215.60-674,902.60

Finding the Fourth Proportional to 804,810.40, 1,207,215.60 and 674,902.60

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Solution

The fourth proportional to 804,810.40, 1,207,215.60 and 674,902.60 is: 1,012,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,810.40 : 1,207,215.60 = 674,902.60 : x
  2. Step 2: Convert to fraction form
    804,810.40/1,207,215.60 = 674,902.60/x
  3. Step 3: Cross multiply
    804,810.40x = 1,207,215.60 × 674,902.60
  4. Step 4: Simplify right side
    804,810.40x = 814,752,947,200.56
  5. Step 5: Solve for x
    x = 814,752,947,200.56/804,810.40
  6. Step 6: Final answer
    x = 1,012,353.90

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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.