Home / 1,436,166.40-2,154,249.60-988,268.80

Finding the Fourth Proportional to 1,436,166.40, 2,154,249.60 and 988,268.80

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Solution

The fourth proportional to 1,436,166.40, 2,154,249.60 and 988,268.80 is: 1,482,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,166.40 : 2,154,249.60 = 988,268.80 : x
  2. Step 2: Convert to fraction form
    1,436,166.40/2,154,249.60 = 988,268.80/x
  3. Step 3: Cross multiply
    1,436,166.40x = 2,154,249.60 × 988,268.80
  4. Step 4: Simplify right side
    1,436,166.40x = 2,128,977,667,092.48
  5. Step 5: Solve for x
    x = 2,128,977,667,092.48/1,436,166.40
  6. Step 6: Final answer
    x = 1,482,403.20

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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.