Home / 1,443,091.32-2,163,974.40-418,188.60

Finding the Fourth Proportional to 1,443,091.32, 2,163,974.40 and 418,188.60

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Solution

The fourth proportional to 1,443,091.32, 2,163,974.40 and 418,188.60 is: 627,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,091.32 : 2,163,974.40 = 418,188.60 : x
  2. Step 2: Convert to fraction form
    1,443,091.32/2,163,974.40 = 418,188.60/x
  3. Step 3: Cross multiply
    1,443,091.32x = 2,163,974.40 × 418,188.60
  4. Step 4: Simplify right side
    1,443,091.32x = 904,949,424,771.84
  5. Step 5: Solve for x
    x = 904,949,424,771.84/1,443,091.32
  6. Step 6: Final answer
    x = 627,090.89

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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.