Home / 1,131,635.55-1,561,672.53-648,200.43

Finding the Fourth Proportional to 1,131,635.55, 1,561,672.53 and 648,200.43

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Solution

The fourth proportional to 1,131,635.55, 1,561,672.53 and 648,200.43 is: 894,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,635.55 : 1,561,672.53 = 648,200.43 : x
  2. Step 2: Convert to fraction form
    1,131,635.55/1,561,672.53 = 648,200.43/x
  3. Step 3: Cross multiply
    1,131,635.55x = 1,561,672.53 × 648,200.43
  4. Step 4: Simplify right side
    1,131,635.55x = 1,012,276,805,465.19
  5. Step 5: Solve for x
    x = 1,012,276,805,465.19/1,131,635.55
  6. Step 6: Final answer
    x = 894,525.46

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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.