Home / 1,214,321.76-1,676,842.56-756,222.96

Finding the Fourth Proportional to 1,214,321.76, 1,676,842.56 and 756,222.96

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Solution

The fourth proportional to 1,214,321.76, 1,676,842.56 and 756,222.96 is: 1,044,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,321.76 : 1,676,842.56 = 756,222.96 : x
  2. Step 2: Convert to fraction form
    1,214,321.76/1,676,842.56 = 756,222.96/x
  3. Step 3: Cross multiply
    1,214,321.76x = 1,676,842.56 × 756,222.96
  4. Step 4: Simplify right side
    1,214,321.76x = 1,268,066,844,177.18
  5. Step 5: Solve for x
    x = 1,268,066,844,177.18/1,214,321.76
  6. Step 6: Final answer
    x = 1,044,259.34

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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.