Home / 804,915.15-1,207,372.73-744,089.55

Finding the Fourth Proportional to 804,915.15, 1,207,372.73 and 744,089.55

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Solution

The fourth proportional to 804,915.15, 1,207,372.73 and 744,089.55 is: 1,116,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,915.15 : 1,207,372.73 = 744,089.55 : x
  2. Step 2: Convert to fraction form
    804,915.15/1,207,372.73 = 744,089.55/x
  3. Step 3: Cross multiply
    804,915.15x = 1,207,372.73 × 744,089.55
  4. Step 4: Simplify right side
    804,915.15x = 898,393,431,347.97
  5. Step 5: Solve for x
    x = 898,393,431,347.97/804,915.15
  6. Step 6: Final answer
    x = 1,116,134.33

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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.