Home / 1,276,263.30-1,761,220.55-695,491.48

Finding the Fourth Proportional to 1,276,263.30, 1,761,220.55 and 695,491.48

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Solution

The fourth proportional to 1,276,263.30, 1,761,220.55 and 695,491.48 is: 959,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,263.30 : 1,761,220.55 = 695,491.48 : x
  2. Step 2: Convert to fraction form
    1,276,263.30/1,761,220.55 = 695,491.48/x
  3. Step 3: Cross multiply
    1,276,263.30x = 1,761,220.55 × 695,491.48
  4. Step 4: Simplify right side
    1,276,263.30x = 1,224,913,874,642.35
  5. Step 5: Solve for x
    x = 1,224,913,874,642.35/1,276,263.30
  6. Step 6: Final answer
    x = 959,765.81

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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.