Home / 1,254,521.80-1,731,230.80-681,566.68

Finding the Fourth Proportional to 1,254,521.80, 1,731,230.80 and 681,566.68

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Solution

The fourth proportional to 1,254,521.80, 1,731,230.80 and 681,566.68 is: 940,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,521.80 : 1,731,230.80 = 681,566.68 : x
  2. Step 2: Convert to fraction form
    1,254,521.80/1,731,230.80 = 681,566.68/x
  3. Step 3: Cross multiply
    1,254,521.80x = 1,731,230.80 × 681,566.68
  4. Step 4: Simplify right side
    1,254,521.80x = 1,179,949,228,669.74
  5. Step 5: Solve for x
    x = 1,179,949,228,669.74/1,254,521.80
  6. Step 6: Final answer
    x = 940,556.97

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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.