Home / 1,150,588.46-1,587,813.82-641,279.90

Finding the Fourth Proportional to 1,150,588.46, 1,587,813.82 and 641,279.90

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Solution

The fourth proportional to 1,150,588.46, 1,587,813.82 and 641,279.90 is: 884,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,588.46 : 1,587,813.82 = 641,279.90 : x
  2. Step 2: Convert to fraction form
    1,150,588.46/1,587,813.82 = 641,279.90/x
  3. Step 3: Cross multiply
    1,150,588.46x = 1,587,813.82 × 641,279.90
  4. Step 4: Simplify right side
    1,150,588.46x = 1,018,233,087,708.22
  5. Step 5: Solve for x
    x = 1,018,233,087,708.22/1,150,588.46
  6. Step 6: Final answer
    x = 884,967.23

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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.