Home / 1,648,310.82-2,274,686.09-913,287.57

Finding the Fourth Proportional to 1,648,310.82, 2,274,686.09 and 913,287.57

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Solution

The fourth proportional to 1,648,310.82, 2,274,686.09 and 913,287.57 is: 1,260,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,310.82 : 2,274,686.09 = 913,287.57 : x
  2. Step 2: Convert to fraction form
    1,648,310.82/2,274,686.09 = 913,287.57/x
  3. Step 3: Cross multiply
    1,648,310.82x = 2,274,686.09 × 913,287.57
  4. Step 4: Simplify right side
    1,648,310.82x = 2,077,442,530,313.24
  5. Step 5: Solve for x
    x = 2,077,442,530,313.24/1,648,310.82
  6. Step 6: Final answer
    x = 1,260,346.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.