Home / 1,983,612.80-2,975,419.20-487,704.80

Finding the Fourth Proportional to 1,983,612.80, 2,975,419.20 and 487,704.80

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Solution

The fourth proportional to 1,983,612.80, 2,975,419.20 and 487,704.80 is: 731,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,612.80 : 2,975,419.20 = 487,704.80 : x
  2. Step 2: Convert to fraction form
    1,983,612.80/2,975,419.20 = 487,704.80/x
  3. Step 3: Cross multiply
    1,983,612.80x = 2,975,419.20 × 487,704.80
  4. Step 4: Simplify right side
    1,983,612.80x = 1,451,126,225,852.16
  5. Step 5: Solve for x
    x = 1,451,126,225,852.16/1,983,612.80
  6. Step 6: Final answer
    x = 731,557.20

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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.