Home / 1,206,007.29-1,807,310.20-666,506.51

Finding the Fourth Proportional to 1,206,007.29, 1,807,310.20 and 666,506.51

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Solution

The fourth proportional to 1,206,007.29, 1,807,310.20 and 666,506.51 is: 998,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,007.29 : 1,807,310.20 = 666,506.51 : x
  2. Step 2: Convert to fraction form
    1,206,007.29/1,807,310.20 = 666,506.51/x
  3. Step 3: Cross multiply
    1,206,007.29x = 1,807,310.20 × 666,506.51
  4. Step 4: Simplify right side
    1,206,007.29x = 1,204,584,013,889.40
  5. Step 5: Solve for x
    x = 1,204,584,013,889.40/1,206,007.29
  6. Step 6: Final answer
    x = 998,819.84

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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.