Home / 1,431,656-1,975,634.92-787,071.52

Finding the Fourth Proportional to 1,431,656, 1,975,634.92 and 787,071.52

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Solution

The fourth proportional to 1,431,656, 1,975,634.92 and 787,071.52 is: 1,086,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,656 : 1,975,634.92 = 787,071.52 : x
  2. Step 2: Convert to fraction form
    1,431,656/1,975,634.92 = 787,071.52/x
  3. Step 3: Cross multiply
    1,431,656x = 1,975,634.92 × 787,071.52
  4. Step 4: Simplify right side
    1,431,656x = 1,554,965,979,449.48
  5. Step 5: Solve for x
    x = 1,554,965,979,449.48/1,431,656
  6. Step 6: Final answer
    x = 1,086,131.01

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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.