Home / 1,270,983.75-1,753,950.48-690,201.30

Finding the Fourth Proportional to 1,270,983.75, 1,753,950.48 and 690,201.30

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Solution

The fourth proportional to 1,270,983.75, 1,753,950.48 and 690,201.30 is: 952,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,983.75 : 1,753,950.48 = 690,201.30 : x
  2. Step 2: Convert to fraction form
    1,270,983.75/1,753,950.48 = 690,201.30/x
  3. Step 3: Cross multiply
    1,270,983.75x = 1,753,950.48 × 690,201.30
  4. Step 4: Simplify right side
    1,270,983.75x = 1,210,578,901,431.62
  5. Step 5: Solve for x
    x = 1,210,578,901,431.62/1,270,983.75
  6. Step 6: Final answer
    x = 952,473.94

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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.