Home / 1,386,589.34-2,079,884.65-500,125.34

Finding the Fourth Proportional to 1,386,589.34, 2,079,884.65 and 500,125.34

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Solution

The fourth proportional to 1,386,589.34, 2,079,884.65 and 500,125.34 is: 750,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,589.34 : 2,079,884.65 = 500,125.34 : x
  2. Step 2: Convert to fraction form
    1,386,589.34/2,079,884.65 = 500,125.34/x
  3. Step 3: Cross multiply
    1,386,589.34x = 2,079,884.65 × 500,125.34
  4. Step 4: Simplify right side
    1,386,589.34x = 1,040,203,017,742.03
  5. Step 5: Solve for x
    x = 1,040,203,017,742.03/1,386,589.34
  6. Step 6: Final answer
    x = 750,188.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.