Home / 994,475.20-1,491,712.80-716,612.80

Finding the Fourth Proportional to 994,475.20, 1,491,712.80 and 716,612.80

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Solution

The fourth proportional to 994,475.20, 1,491,712.80 and 716,612.80 is: 1,074,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,475.20 : 1,491,712.80 = 716,612.80 : x
  2. Step 2: Convert to fraction form
    994,475.20/1,491,712.80 = 716,612.80/x
  3. Step 3: Cross multiply
    994,475.20x = 1,491,712.80 × 716,612.80
  4. Step 4: Simplify right side
    994,475.20x = 1,068,980,486,403.84
  5. Step 5: Solve for x
    x = 1,068,980,486,403.84/994,475.20
  6. Step 6: Final answer
    x = 1,074,919.20

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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.