Home / 804,986.90-1,207,480.35-744,161.30

Finding the Fourth Proportional to 804,986.90, 1,207,480.35 and 744,161.30

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Solution

The fourth proportional to 804,986.90, 1,207,480.35 and 744,161.30 is: 1,116,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,986.90 : 1,207,480.35 = 744,161.30 : x
  2. Step 2: Convert to fraction form
    804,986.90/1,207,480.35 = 744,161.30/x
  3. Step 3: Cross multiply
    804,986.90x = 1,207,480.35 × 744,161.30
  4. Step 4: Simplify right side
    804,986.90x = 898,560,146,980.46
  5. Step 5: Solve for x
    x = 898,560,146,980.46/804,986.90
  6. Step 6: Final answer
    x = 1,116,241.95

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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.