Home / 1,431,975.42-1,976,197.02-888,286.40

Finding the Fourth Proportional to 1,431,975.42, 1,976,197.02 and 888,286.40

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Solution

The fourth proportional to 1,431,975.42, 1,976,197.02 and 888,286.40 is: 1,225,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,975.42 : 1,976,197.02 = 888,286.40 : x
  2. Step 2: Convert to fraction form
    1,431,975.42/1,976,197.02 = 888,286.40/x
  3. Step 3: Cross multiply
    1,431,975.42x = 1,976,197.02 × 888,286.40
  4. Step 4: Simplify right side
    1,431,975.42x = 1,755,428,936,586.53
  5. Step 5: Solve for x
    x = 1,755,428,936,586.53/1,431,975.42
  6. Step 6: Final answer
    x = 1,225,879.24

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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.