Home / 1,149,268.80-1,585,230.98-718,801.59

Finding the Fourth Proportional to 1,149,268.80, 1,585,230.98 and 718,801.59

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Solution

The fourth proportional to 1,149,268.80, 1,585,230.98 and 718,801.59 is: 991,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,268.80 : 1,585,230.98 = 718,801.59 : x
  2. Step 2: Convert to fraction form
    1,149,268.80/1,585,230.98 = 718,801.59/x
  3. Step 3: Cross multiply
    1,149,268.80x = 1,585,230.98 × 718,801.59
  4. Step 4: Simplify right side
    1,149,268.80x = 1,139,466,545,347.25
  5. Step 5: Solve for x
    x = 1,139,466,545,347.25/1,149,268.80
  6. Step 6: Final answer
    x = 991,470.88

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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.