Home / 1,276,456.45-1,761,487.09-695,684.83

Finding the Fourth Proportional to 1,276,456.45, 1,761,487.09 and 695,684.83

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Solution

The fourth proportional to 1,276,456.45, 1,761,487.09 and 695,684.83 is: 960,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,456.45 : 1,761,487.09 = 695,684.83 : x
  2. Step 2: Convert to fraction form
    1,276,456.45/1,761,487.09 = 695,684.83/x
  3. Step 3: Cross multiply
    1,276,456.45x = 1,761,487.09 × 695,684.83
  4. Step 4: Simplify right side
    1,276,456.45x = 1,225,439,846,753.84
  5. Step 5: Solve for x
    x = 1,225,439,846,753.84/1,276,456.45
  6. Step 6: Final answer
    x = 960,032.63

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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.