Home / 1,540,382.13-2,309,727.20-475,128.45

Finding the Fourth Proportional to 1,540,382.13, 2,309,727.20 and 475,128.45

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Solution

The fourth proportional to 1,540,382.13, 2,309,727.20 and 475,128.45 is: 712,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,382.13 : 2,309,727.20 = 475,128.45 : x
  2. Step 2: Convert to fraction form
    1,540,382.13/2,309,727.20 = 475,128.45/x
  3. Step 3: Cross multiply
    1,540,382.13x = 2,309,727.20 × 475,128.45
  4. Step 4: Simplify right side
    1,540,382.13x = 1,097,417,102,083.20
  5. Step 5: Solve for x
    x = 1,097,417,102,083.20/1,540,382.13
  6. Step 6: Final answer
    x = 712,431.73

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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.