Home / 1,295,612.25-1,787,939.85-714,871.50

Finding the Fourth Proportional to 1,295,612.25, 1,787,939.85 and 714,871.50

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Solution

The fourth proportional to 1,295,612.25, 1,787,939.85 and 714,871.50 is: 986,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,612.25 : 1,787,939.85 = 714,871.50 : x
  2. Step 2: Convert to fraction form
    1,295,612.25/1,787,939.85 = 714,871.50/x
  3. Step 3: Cross multiply
    1,295,612.25x = 1,787,939.85 × 714,871.50
  4. Step 4: Simplify right side
    1,295,612.25x = 1,278,147,242,479.28
  5. Step 5: Solve for x
    x = 1,278,147,242,479.28/1,295,612.25
  6. Step 6: Final answer
    x = 986,519.88

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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.