Home / 1,276,344.77-1,761,392.70-703,421.85

Finding the Fourth Proportional to 1,276,344.77, 1,761,392.70 and 703,421.85

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Solution

The fourth proportional to 1,276,344.77, 1,761,392.70 and 703,421.85 is: 970,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,344.77 : 1,761,392.70 = 703,421.85 : x
  2. Step 2: Convert to fraction form
    1,276,344.77/1,761,392.70 = 703,421.85/x
  3. Step 3: Cross multiply
    1,276,344.77x = 1,761,392.70 × 703,421.85
  4. Step 4: Simplify right side
    1,276,344.77x = 1,239,002,111,610.49
  5. Step 5: Solve for x
    x = 1,239,002,111,610.49/1,276,344.77
  6. Step 6: Final answer
    x = 970,742.50

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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.