Home / 1,486,486.40-2,052,202.40-978,665.04

Finding the Fourth Proportional to 1,486,486.40, 2,052,202.40 and 978,665.04

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Solution

The fourth proportional to 1,486,486.40, 2,052,202.40 and 978,665.04 is: 1,351,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,486.40 : 2,052,202.40 = 978,665.04 : x
  2. Step 2: Convert to fraction form
    1,486,486.40/2,052,202.40 = 978,665.04/x
  3. Step 3: Cross multiply
    1,486,486.40x = 2,052,202.40 × 978,665.04
  4. Step 4: Simplify right side
    1,486,486.40x = 2,008,418,743,884.10
  5. Step 5: Solve for x
    x = 2,008,418,743,884.10/1,486,486.40
  6. Step 6: Final answer
    x = 1,351,118.14

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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.