Home / 1,388,359.20-2,080,983.60-589,504.80

Finding the Fourth Proportional to 1,388,359.20, 2,080,983.60 and 589,504.80

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Solution

The fourth proportional to 1,388,359.20, 2,080,983.60 and 589,504.80 is: 883,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,359.20 : 2,080,983.60 = 589,504.80 : x
  2. Step 2: Convert to fraction form
    1,388,359.20/2,080,983.60 = 589,504.80/x
  3. Step 3: Cross multiply
    1,388,359.20x = 2,080,983.60 × 589,504.80
  4. Step 4: Simplify right side
    1,388,359.20x = 1,226,749,820,921.28
  5. Step 5: Solve for x
    x = 1,226,749,820,921.28/1,388,359.20
  6. Step 6: Final answer
    x = 883,596.85

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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.