Home / 1,206,731.22-1,665,299.79-662,878.05

Finding the Fourth Proportional to 1,206,731.22, 1,665,299.79 and 662,878.05

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Solution

The fourth proportional to 1,206,731.22, 1,665,299.79 and 662,878.05 is: 914,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,731.22 : 1,665,299.79 = 662,878.05 : x
  2. Step 2: Convert to fraction form
    1,206,731.22/1,665,299.79 = 662,878.05/x
  3. Step 3: Cross multiply
    1,206,731.22x = 1,665,299.79 × 662,878.05
  4. Step 4: Simplify right side
    1,206,731.22x = 1,103,890,677,460.61
  5. Step 5: Solve for x
    x = 1,103,890,677,460.61/1,206,731.22
  6. Step 6: Final answer
    x = 914,777.59

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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.