Home / 1,643,921.28-2,466,081.18-578,745.36

Finding the Fourth Proportional to 1,643,921.28, 2,466,081.18 and 578,745.36

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Solution

The fourth proportional to 1,643,921.28, 2,466,081.18 and 578,745.36 is: 868,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,921.28 : 2,466,081.18 = 578,745.36 : x
  2. Step 2: Convert to fraction form
    1,643,921.28/2,466,081.18 = 578,745.36/x
  3. Step 3: Cross multiply
    1,643,921.28x = 2,466,081.18 × 578,745.36
  4. Step 4: Simplify right side
    1,643,921.28x = 1,427,233,040,308.33
  5. Step 5: Solve for x
    x = 1,427,233,040,308.33/1,643,921.28
  6. Step 6: Final answer
    x = 868,188.19

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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.