Home / 1,264,009.76-1,744,375.20-691,065.44

Finding the Fourth Proportional to 1,264,009.76, 1,744,375.20 and 691,065.44

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Solution

The fourth proportional to 1,264,009.76, 1,744,375.20 and 691,065.44 is: 953,693.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,009.76 : 1,744,375.20 = 691,065.44 : x
  2. Step 2: Convert to fraction form
    1,264,009.76/1,744,375.20 = 691,065.44/x
  3. Step 3: Cross multiply
    1,264,009.76x = 1,744,375.20 × 691,065.44
  4. Step 4: Simplify right side
    1,264,009.76x = 1,205,477,415,113.09
  5. Step 5: Solve for x
    x = 1,205,477,415,113.09/1,264,009.76
  6. Step 6: Final answer
    x = 953,693.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.