Home / 985,741.88-1,360,221.90-727,756.16

Finding the Fourth Proportional to 985,741.88, 1,360,221.90 and 727,756.16

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Solution

The fourth proportional to 985,741.88, 1,360,221.90 and 727,756.16 is: 1,004,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,741.88 : 1,360,221.90 = 727,756.16 : x
  2. Step 2: Convert to fraction form
    985,741.88/1,360,221.90 = 727,756.16/x
  3. Step 3: Cross multiply
    985,741.88x = 1,360,221.90 × 727,756.16
  4. Step 4: Simplify right side
    985,741.88x = 989,909,866,691.90
  5. Step 5: Solve for x
    x = 989,909,866,691.90/985,741.88
  6. Step 6: Final answer
    x = 1,004,228.27

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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.