Home / 1,486,496.40-2,052,216.24-978,675.12

Finding the Fourth Proportional to 1,486,496.40, 2,052,216.24 and 978,675.12

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Solution

The fourth proportional to 1,486,496.40, 2,052,216.24 and 978,675.12 is: 1,351,132.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,496.40 : 2,052,216.24 = 978,675.12 : x
  2. Step 2: Convert to fraction form
    1,486,496.40/2,052,216.24 = 978,675.12/x
  3. Step 3: Cross multiply
    1,486,496.40x = 2,052,216.24 × 978,675.12
  4. Step 4: Simplify right side
    1,486,496.40x = 2,008,452,974,947.95
  5. Step 5: Solve for x
    x = 2,008,452,974,947.95/1,486,496.40
  6. Step 6: Final answer
    x = 1,351,132.08

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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.