Home / 1,213,428.52-1,674,456.06-669,568.60

Finding the Fourth Proportional to 1,213,428.52, 1,674,456.06 and 669,568.60

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Solution

The fourth proportional to 1,213,428.52, 1,674,456.06 and 669,568.60 is: 923,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,428.52 : 1,674,456.06 = 669,568.60 : x
  2. Step 2: Convert to fraction form
    1,213,428.52/1,674,456.06 = 669,568.60/x
  3. Step 3: Cross multiply
    1,213,428.52x = 1,674,456.06 × 669,568.60
  4. Step 4: Simplify right side
    1,213,428.52x = 1,121,163,199,855.72
  5. Step 5: Solve for x
    x = 1,121,163,199,855.72/1,213,428.52
  6. Step 6: Final answer
    x = 923,963.12

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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.