Home / 1,157,255.70-1,734,375.56-644,900.44

Finding the Fourth Proportional to 1,157,255.70, 1,734,375.56 and 644,900.44

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Solution

The fourth proportional to 1,157,255.70, 1,734,375.56 and 644,900.44 is: 966,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,255.70 : 1,734,375.56 = 644,900.44 : x
  2. Step 2: Convert to fraction form
    1,157,255.70/1,734,375.56 = 644,900.44/x
  3. Step 3: Cross multiply
    1,157,255.70x = 1,734,375.56 × 644,900.44
  4. Step 4: Simplify right side
    1,157,255.70x = 1,118,499,561,769.25
  5. Step 5: Solve for x
    x = 1,118,499,561,769.25/1,157,255.70
  6. Step 6: Final answer
    x = 966,510.31

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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.