Home / 1,254,279.96-1,730,905-681,320.56

Finding the Fourth Proportional to 1,254,279.96, 1,730,905 and 681,320.56

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Solution

The fourth proportional to 1,254,279.96, 1,730,905 and 681,320.56 is: 940,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,279.96 : 1,730,905 = 681,320.56 : x
  2. Step 2: Convert to fraction form
    1,254,279.96/1,730,905 = 681,320.56/x
  3. Step 3: Cross multiply
    1,254,279.96x = 1,730,905 × 681,320.56
  4. Step 4: Simplify right side
    1,254,279.96x = 1,179,301,163,906.80
  5. Step 5: Solve for x
    x = 1,179,301,163,906.80/1,254,279.96
  6. Step 6: Final answer
    x = 940,221.64

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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.