Home / 1,605,259.66-2,215,279.92-880,105.63

Finding the Fourth Proportional to 1,605,259.66, 2,215,279.92 and 880,105.63

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Solution

The fourth proportional to 1,605,259.66, 2,215,279.92 and 880,105.63 is: 1,214,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,259.66 : 2,215,279.92 = 880,105.63 : x
  2. Step 2: Convert to fraction form
    1,605,259.66/2,215,279.92 = 880,105.63/x
  3. Step 3: Cross multiply
    1,605,259.66x = 2,215,279.92 × 880,105.63
  4. Step 4: Simplify right side
    1,605,259.66x = 1,949,680,329,617.95
  5. Step 5: Solve for x
    x = 1,949,680,329,617.95/1,605,259.66
  6. Step 6: Final answer
    x = 1,214,557.61

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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.