Home / 1,540,313.26-2,308,917.12-642,250.90

Finding the Fourth Proportional to 1,540,313.26, 2,308,917.12 and 642,250.90

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Solution

The fourth proportional to 1,540,313.26, 2,308,917.12 and 642,250.90 is: 962,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,313.26 : 2,308,917.12 = 642,250.90 : x
  2. Step 2: Convert to fraction form
    1,540,313.26/2,308,917.12 = 642,250.90/x
  3. Step 3: Cross multiply
    1,540,313.26x = 2,308,917.12 × 642,250.90
  4. Step 4: Simplify right side
    1,540,313.26x = 1,482,904,098,345.41
  5. Step 5: Solve for x
    x = 1,482,904,098,345.41/1,540,313.26
  6. Step 6: Final answer
    x = 962,728.91

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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.