Home / 1,618,423.20-2,428,509.60-720,003.60

Finding the Fourth Proportional to 1,618,423.20, 2,428,509.60 and 720,003.60

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Solution

The fourth proportional to 1,618,423.20, 2,428,509.60 and 720,003.60 is: 1,080,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,423.20 : 2,428,509.60 = 720,003.60 : x
  2. Step 2: Convert to fraction form
    1,618,423.20/2,428,509.60 = 720,003.60/x
  3. Step 3: Cross multiply
    1,618,423.20x = 2,428,509.60 × 720,003.60
  4. Step 4: Simplify right side
    1,618,423.20x = 1,748,535,654,634.56
  5. Step 5: Solve for x
    x = 1,748,535,654,634.56/1,618,423.20
  6. Step 6: Final answer
    x = 1,080,394.58

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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.