Home / 1,276,272.90-1,761,221.61-695,483.46

Finding the Fourth Proportional to 1,276,272.90, 1,761,221.61 and 695,483.46

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Solution

The fourth proportional to 1,276,272.90, 1,761,221.61 and 695,483.46 is: 959,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,272.90 : 1,761,221.61 = 695,483.46 : x
  2. Step 2: Convert to fraction form
    1,276,272.90/1,761,221.61 = 695,483.46/x
  3. Step 3: Cross multiply
    1,276,272.90x = 1,761,221.61 × 695,483.46
  4. Step 4: Simplify right side
    1,276,272.90x = 1,224,900,499,149.57
  5. Step 5: Solve for x
    x = 1,224,900,499,149.57/1,276,272.90
  6. Step 6: Final answer
    x = 959,748.11

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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.