Home / 825,004.20-1,235,432.70-659,116.20

Finding the Fourth Proportional to 825,004.20, 1,235,432.70 and 659,116.20

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Solution

The fourth proportional to 825,004.20, 1,235,432.70 and 659,116.20 is: 987,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,004.20 : 1,235,432.70 = 659,116.20 : x
  2. Step 2: Convert to fraction form
    825,004.20/1,235,432.70 = 659,116.20/x
  3. Step 3: Cross multiply
    825,004.20x = 1,235,432.70 × 659,116.20
  4. Step 4: Simplify right side
    825,004.20x = 814,293,706,579.74
  5. Step 5: Solve for x
    x = 814,293,706,579.74/825,004.20
  6. Step 6: Final answer
    x = 987,017.65

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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.