Home / 1,206,748.69-1,665,231.06-662,907.40

Finding the Fourth Proportional to 1,206,748.69, 1,665,231.06 and 662,907.40

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Solution

The fourth proportional to 1,206,748.69, 1,665,231.06 and 662,907.40 is: 914,767.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,748.69 : 1,665,231.06 = 662,907.40 : x
  2. Step 2: Convert to fraction form
    1,206,748.69/1,665,231.06 = 662,907.40/x
  3. Step 3: Cross multiply
    1,206,748.69x = 1,665,231.06 × 662,907.40
  4. Step 4: Simplify right side
    1,206,748.69x = 1,103,893,992,383.84
  5. Step 5: Solve for x
    x = 1,103,893,992,383.84/1,206,748.69
  6. Step 6: Final answer
    x = 914,767.09

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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.