Home / 1,276,343.57-1,761,391.04-703,420.65

Finding the Fourth Proportional to 1,276,343.57, 1,761,391.04 and 703,420.65

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Solution

The fourth proportional to 1,276,343.57, 1,761,391.04 and 703,420.65 is: 970,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,343.57 : 1,761,391.04 = 703,420.65 : x
  2. Step 2: Convert to fraction form
    1,276,343.57/1,761,391.04 = 703,420.65/x
  3. Step 3: Cross multiply
    1,276,343.57x = 1,761,391.04 × 703,420.65
  4. Step 4: Simplify right side
    1,276,343.57x = 1,238,998,817,936.92
  5. Step 5: Solve for x
    x = 1,238,998,817,936.92/1,276,343.57
  6. Step 6: Final answer
    x = 970,740.83

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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.