Home / 1,269,969.03-1,904,020.43-638,246.79

Finding the Fourth Proportional to 1,269,969.03, 1,904,020.43 and 638,246.79

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Solution

The fourth proportional to 1,269,969.03, 1,904,020.43 and 638,246.79 is: 956,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,969.03 : 1,904,020.43 = 638,246.79 : x
  2. Step 2: Convert to fraction form
    1,269,969.03/1,904,020.43 = 638,246.79/x
  3. Step 3: Cross multiply
    1,269,969.03x = 1,904,020.43 × 638,246.79
  4. Step 4: Simplify right side
    1,269,969.03x = 1,215,234,924,350.69
  5. Step 5: Solve for x
    x = 1,215,234,924,350.69/1,269,969.03
  6. Step 6: Final answer
    x = 956,901.23

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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.