Home / 1,315,661.27-1,815,612.71-712,049.27

Finding the Fourth Proportional to 1,315,661.27, 1,815,612.71 and 712,049.27

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Solution

The fourth proportional to 1,315,661.27, 1,815,612.71 and 712,049.27 is: 982,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,661.27 : 1,815,612.71 = 712,049.27 : x
  2. Step 2: Convert to fraction form
    1,315,661.27/1,815,612.71 = 712,049.27/x
  3. Step 3: Cross multiply
    1,315,661.27x = 1,815,612.71 × 712,049.27
  4. Step 4: Simplify right side
    1,315,661.27x = 1,292,805,692,119.91
  5. Step 5: Solve for x
    x = 1,292,805,692,119.91/1,315,661.27
  6. Step 6: Final answer
    x = 982,628.07

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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.