Home / 1,274,964.46-1,759,457.38-731,120.74

Finding the Fourth Proportional to 1,274,964.46, 1,759,457.38 and 731,120.74

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Solution

The fourth proportional to 1,274,964.46, 1,759,457.38 and 731,120.74 is: 1,008,950.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,964.46 : 1,759,457.38 = 731,120.74 : x
  2. Step 2: Convert to fraction form
    1,274,964.46/1,759,457.38 = 731,120.74/x
  3. Step 3: Cross multiply
    1,274,964.46x = 1,759,457.38 × 731,120.74
  4. Step 4: Simplify right side
    1,274,964.46x = 1,286,375,781,664.06
  5. Step 5: Solve for x
    x = 1,286,375,781,664.06/1,274,964.46
  6. Step 6: Final answer
    x = 1,008,950.31

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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.