Home / 1,431,584.46-1,975,624.29-787,020.90

Finding the Fourth Proportional to 1,431,584.46, 1,975,624.29 and 787,020.90

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Solution

The fourth proportional to 1,431,584.46, 1,975,624.29 and 787,020.90 is: 1,086,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,584.46 : 1,975,624.29 = 787,020.90 : x
  2. Step 2: Convert to fraction form
    1,431,584.46/1,975,624.29 = 787,020.90/x
  3. Step 3: Cross multiply
    1,431,584.46x = 1,975,624.29 × 787,020.90
  4. Step 4: Simplify right side
    1,431,584.46x = 1,554,857,606,777.66
  5. Step 5: Solve for x
    x = 1,554,857,606,777.66/1,431,584.46
  6. Step 6: Final answer
    x = 1,086,109.59

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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.