Home / 1,618,612.20-2,428,793.10-720,192.60

Finding the Fourth Proportional to 1,618,612.20, 2,428,793.10 and 720,192.60

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Solution

The fourth proportional to 1,618,612.20, 2,428,793.10 and 720,192.60 is: 1,080,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,612.20 : 2,428,793.10 = 720,192.60 : x
  2. Step 2: Convert to fraction form
    1,618,612.20/2,428,793.10 = 720,192.60/x
  3. Step 3: Cross multiply
    1,618,612.20x = 2,428,793.10 × 720,192.60
  4. Step 4: Simplify right side
    1,618,612.20x = 1,749,198,817,551.06
  5. Step 5: Solve for x
    x = 1,749,198,817,551.06/1,618,612.20
  6. Step 6: Final answer
    x = 1,080,678.14

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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.