Home / 1,254,781.46-1,731,595.14-681,821.66

Finding the Fourth Proportional to 1,254,781.46, 1,731,595.14 and 681,821.66

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Solution

The fourth proportional to 1,254,781.46, 1,731,595.14 and 681,821.66 is: 940,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,781.46 : 1,731,595.14 = 681,821.66 : x
  2. Step 2: Convert to fraction form
    1,254,781.46/1,731,595.14 = 681,821.66/x
  3. Step 3: Cross multiply
    1,254,781.46x = 1,731,595.14 × 681,821.66
  4. Step 4: Simplify right side
    1,254,781.46x = 1,180,639,072,802.73
  5. Step 5: Solve for x
    x = 1,180,639,072,802.73/1,254,781.46
  6. Step 6: Final answer
    x = 940,912.11

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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.