Home / 1,447,257.78-2,169,354.56-486,799.07

Finding the Fourth Proportional to 1,447,257.78, 2,169,354.56 and 486,799.07

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Solution

The fourth proportional to 1,447,257.78, 2,169,354.56 and 486,799.07 is: 729,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,257.78 : 2,169,354.56 = 486,799.07 : x
  2. Step 2: Convert to fraction form
    1,447,257.78/2,169,354.56 = 486,799.07/x
  3. Step 3: Cross multiply
    1,447,257.78x = 2,169,354.56 × 486,799.07
  4. Step 4: Simplify right side
    1,447,257.78x = 1,056,039,769,027.49
  5. Step 5: Solve for x
    x = 1,056,039,769,027.49/1,447,257.78
  6. Step 6: Final answer
    x = 729,683.26

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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.