Home / 1,605,188.76-2,215,101.70-880,020.57

Finding the Fourth Proportional to 1,605,188.76, 2,215,101.70 and 880,020.57

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Solution

The fourth proportional to 1,605,188.76, 2,215,101.70 and 880,020.57 is: 1,214,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,188.76 : 2,215,101.70 = 880,020.57 : x
  2. Step 2: Convert to fraction form
    1,605,188.76/2,215,101.70 = 880,020.57/x
  3. Step 3: Cross multiply
    1,605,188.76x = 2,215,101.70 × 880,020.57
  4. Step 4: Simplify right side
    1,605,188.76x = 1,949,335,057,588.68
  5. Step 5: Solve for x
    x = 1,949,335,057,588.68/1,605,188.76
  6. Step 6: Final answer
    x = 1,214,396.15

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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.