Home / 1,665,947.13-2,498,920.70-403,774.75

Finding the Fourth Proportional to 1,665,947.13, 2,498,920.70 and 403,774.75

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Solution

The fourth proportional to 1,665,947.13, 2,498,920.70 and 403,774.75 is: 605,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,947.13 : 2,498,920.70 = 403,774.75 : x
  2. Step 2: Convert to fraction form
    1,665,947.13/2,498,920.70 = 403,774.75/x
  3. Step 3: Cross multiply
    1,665,947.13x = 2,498,920.70 × 403,774.75
  4. Step 4: Simplify right side
    1,665,947.13x = 1,009,001,080,912.33
  5. Step 5: Solve for x
    x = 1,009,001,080,912.33/1,665,947.13
  6. Step 6: Final answer
    x = 605,662.13

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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.