Home / 1,079,543.20-1,619,314.80-331,589.20

Finding the Fourth Proportional to 1,079,543.20, 1,619,314.80 and 331,589.20

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Solution

The fourth proportional to 1,079,543.20, 1,619,314.80 and 331,589.20 is: 497,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,543.20 : 1,619,314.80 = 331,589.20 : x
  2. Step 2: Convert to fraction form
    1,079,543.20/1,619,314.80 = 331,589.20/x
  3. Step 3: Cross multiply
    1,079,543.20x = 1,619,314.80 × 331,589.20
  4. Step 4: Simplify right side
    1,079,543.20x = 536,947,299,080.16
  5. Step 5: Solve for x
    x = 536,947,299,080.16/1,079,543.20
  6. Step 6: Final answer
    x = 497,383.80

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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.