Home / 1,086,457.80-1,629,905.40-376,338.90

Finding the Fourth Proportional to 1,086,457.80, 1,629,905.40 and 376,338.90

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Solution

The fourth proportional to 1,086,457.80, 1,629,905.40 and 376,338.90 is: 564,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,457.80 : 1,629,905.40 = 376,338.90 : x
  2. Step 2: Convert to fraction form
    1,086,457.80/1,629,905.40 = 376,338.90/x
  3. Step 3: Cross multiply
    1,086,457.80x = 1,629,905.40 × 376,338.90
  4. Step 4: Simplify right side
    1,086,457.80x = 613,396,805,340.06
  5. Step 5: Solve for x
    x = 613,396,805,340.06/1,086,457.80
  6. Step 6: Final answer
    x = 564,584.11

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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.