Home / 1,276,781.48-1,761,970.41-703,842.15

Finding the Fourth Proportional to 1,276,781.48, 1,761,970.41 and 703,842.15

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Solution

The fourth proportional to 1,276,781.48, 1,761,970.41 and 703,842.15 is: 971,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,781.48 : 1,761,970.41 = 703,842.15 : x
  2. Step 2: Convert to fraction form
    1,276,781.48/1,761,970.41 = 703,842.15/x
  3. Step 3: Cross multiply
    1,276,781.48x = 1,761,970.41 × 703,842.15
  4. Step 4: Simplify right side
    1,276,781.48x = 1,240,149,041,610.78
  5. Step 5: Solve for x
    x = 1,240,149,041,610.78/1,276,781.48
  6. Step 6: Final answer
    x = 971,308.77

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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.