Home / 804,966.40-1,207,449.60-744,140.80

Finding the Fourth Proportional to 804,966.40, 1,207,449.60 and 744,140.80

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Solution

The fourth proportional to 804,966.40, 1,207,449.60 and 744,140.80 is: 1,116,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,966.40 : 1,207,449.60 = 744,140.80 : x
  2. Step 2: Convert to fraction form
    804,966.40/1,207,449.60 = 744,140.80/x
  3. Step 3: Cross multiply
    804,966.40x = 1,207,449.60 × 744,140.80
  4. Step 4: Simplify right side
    804,966.40x = 898,512,511,303.68
  5. Step 5: Solve for x
    x = 898,512,511,303.68/804,966.40
  6. Step 6: Final answer
    x = 1,116,211.20

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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.