Home / 1,149,161.07-1,585,082.84-718,693.86

Finding the Fourth Proportional to 1,149,161.07, 1,585,082.84 and 718,693.86

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Solution

The fourth proportional to 1,149,161.07, 1,585,082.84 and 718,693.86 is: 991,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,161.07 : 1,585,082.84 = 718,693.86 : x
  2. Step 2: Convert to fraction form
    1,149,161.07/1,585,082.84 = 718,693.86/x
  3. Step 3: Cross multiply
    1,149,161.07x = 1,585,082.84 × 718,693.86
  4. Step 4: Simplify right side
    1,149,161.07x = 1,139,189,301,105.89
  5. Step 5: Solve for x
    x = 1,139,189,301,105.89/1,149,161.07
  6. Step 6: Final answer
    x = 991,322.57

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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.