Home / 1,226,013.36-1,836,628.92-691,918.80

Finding the Fourth Proportional to 1,226,013.36, 1,836,628.92 and 691,918.80

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Solution

The fourth proportional to 1,226,013.36, 1,836,628.92 and 691,918.80 is: 1,036,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,013.36 : 1,836,628.92 = 691,918.80 : x
  2. Step 2: Convert to fraction form
    1,226,013.36/1,836,628.92 = 691,918.80/x
  3. Step 3: Cross multiply
    1,226,013.36x = 1,836,628.92 × 691,918.80
  4. Step 4: Simplify right side
    1,226,013.36x = 1,270,798,078,371.70
  5. Step 5: Solve for x
    x = 1,270,798,078,371.70/1,226,013.36
  6. Step 6: Final answer
    x = 1,036,528.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.