Home / 1,276,484.40-1,761,539.76-703,524.96

Finding the Fourth Proportional to 1,276,484.40, 1,761,539.76 and 703,524.96

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Solution

The fourth proportional to 1,276,484.40, 1,761,539.76 and 703,524.96 is: 970,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,484.40 : 1,761,539.76 = 703,524.96 : x
  2. Step 2: Convert to fraction form
    1,276,484.40/1,761,539.76 = 703,524.96/x
  3. Step 3: Cross multiply
    1,276,484.40x = 1,761,539.76 × 703,524.96
  4. Step 4: Simplify right side
    1,276,484.40x = 1,239,287,189,192.41
  5. Step 5: Solve for x
    x = 1,239,287,189,192.41/1,276,484.40
  6. Step 6: Final answer
    x = 970,859.64

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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.