Home / 1,126,196.56-1,689,459.54-327,374.30

Finding the Fourth Proportional to 1,126,196.56, 1,689,459.54 and 327,374.30

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Solution

The fourth proportional to 1,126,196.56, 1,689,459.54 and 327,374.30 is: 491,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,196.56 : 1,689,459.54 = 327,374.30 : x
  2. Step 2: Convert to fraction form
    1,126,196.56/1,689,459.54 = 327,374.30/x
  3. Step 3: Cross multiply
    1,126,196.56x = 1,689,459.54 × 327,374.30
  4. Step 4: Simplify right side
    1,126,196.56x = 553,085,634,285.82
  5. Step 5: Solve for x
    x = 553,085,634,285.82/1,126,196.56
  6. Step 6: Final answer
    x = 491,109.33

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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.