Home / 1,263,272.88-1,743,243.12-690,317.76

Finding the Fourth Proportional to 1,263,272.88, 1,743,243.12 and 690,317.76

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Solution

The fourth proportional to 1,263,272.88, 1,743,243.12 and 690,317.76 is: 952,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,272.88 : 1,743,243.12 = 690,317.76 : x
  2. Step 2: Convert to fraction form
    1,263,272.88/1,743,243.12 = 690,317.76/x
  3. Step 3: Cross multiply
    1,263,272.88x = 1,743,243.12 × 690,317.76
  4. Step 4: Simplify right side
    1,263,272.88x = 1,203,391,685,733.81
  5. Step 5: Solve for x
    x = 1,203,391,685,733.81/1,263,272.88
  6. Step 6: Final answer
    x = 952,598.37

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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.