Home / 1,158,659.20-1,738,118.40-359,934.40

Finding the Fourth Proportional to 1,158,659.20, 1,738,118.40 and 359,934.40

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Solution

The fourth proportional to 1,158,659.20, 1,738,118.40 and 359,934.40 is: 539,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,659.20 : 1,738,118.40 = 359,934.40 : x
  2. Step 2: Convert to fraction form
    1,158,659.20/1,738,118.40 = 359,934.40/x
  3. Step 3: Cross multiply
    1,158,659.20x = 1,738,118.40 × 359,934.40
  4. Step 4: Simplify right side
    1,158,659.20x = 625,608,603,432.96
  5. Step 5: Solve for x
    x = 625,608,603,432.96/1,158,659.20
  6. Step 6: Final answer
    x = 539,941.86

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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.