Home / 1,347,138.44-2,019,261.48-671,885.78

Finding the Fourth Proportional to 1,347,138.44, 2,019,261.48 and 671,885.78

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Solution

The fourth proportional to 1,347,138.44, 2,019,261.48 and 671,885.78 is: 1,007,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,138.44 : 2,019,261.48 = 671,885.78 : x
  2. Step 2: Convert to fraction form
    1,347,138.44/2,019,261.48 = 671,885.78/x
  3. Step 3: Cross multiply
    1,347,138.44x = 2,019,261.48 × 671,885.78
  4. Step 4: Simplify right side
    1,347,138.44x = 1,356,713,074,513.75
  5. Step 5: Solve for x
    x = 1,356,713,074,513.75/1,347,138.44
  6. Step 6: Final answer
    x = 1,007,107.39

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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.