Home / 1,276,262.80-1,761,219.86-695,490.98

Finding the Fourth Proportional to 1,276,262.80, 1,761,219.86 and 695,490.98

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Solution

The fourth proportional to 1,276,262.80, 1,761,219.86 and 695,490.98 is: 959,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,262.80 : 1,761,219.86 = 695,490.98 : x
  2. Step 2: Convert to fraction form
    1,276,262.80/1,761,219.86 = 695,490.98/x
  3. Step 3: Cross multiply
    1,276,262.80x = 1,761,219.86 × 695,490.98
  4. Step 4: Simplify right side
    1,276,262.80x = 1,224,912,514,143.31
  5. Step 5: Solve for x
    x = 1,224,912,514,143.31/1,276,262.80
  6. Step 6: Final answer
    x = 959,765.12

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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.