Home / 1,486,487.40-2,052,203.78-978,666.04

Finding the Fourth Proportional to 1,486,487.40, 2,052,203.78 and 978,666.04

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Solution

The fourth proportional to 1,486,487.40, 2,052,203.78 and 978,666.04 is: 1,351,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,487.40 : 2,052,203.78 = 978,666.04 : x
  2. Step 2: Convert to fraction form
    1,486,487.40/2,052,203.78 = 978,666.04/x
  3. Step 3: Cross multiply
    1,486,487.40x = 2,052,203.78 × 978,666.04
  4. Step 4: Simplify right side
    1,486,487.40x = 2,008,422,146,645.63
  5. Step 5: Solve for x
    x = 2,008,422,146,645.63/1,486,487.40
  6. Step 6: Final answer
    x = 1,351,119.52

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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.