Home / 1,352,728.01-2,028,613.38-392,983.94

Finding the Fourth Proportional to 1,352,728.01, 2,028,613.38 and 392,983.94

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Solution

The fourth proportional to 1,352,728.01, 2,028,613.38 and 392,983.94 is: 589,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,728.01 : 2,028,613.38 = 392,983.94 : x
  2. Step 2: Convert to fraction form
    1,352,728.01/2,028,613.38 = 392,983.94/x
  3. Step 3: Cross multiply
    1,352,728.01x = 2,028,613.38 × 392,983.94
  4. Step 4: Simplify right side
    1,352,728.01x = 797,212,468,666.05
  5. Step 5: Solve for x
    x = 797,212,468,666.05/1,352,728.01
  6. Step 6: Final answer
    x = 589,336.86

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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.