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Finding the Fourth Proportional to 1,001,967.76, 1,502,630.88 and 327,866.32

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Solution

The fourth proportional to 1,001,967.76, 1,502,630.88 and 327,866.32 is: 491,694.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,967.76 : 1,502,630.88 = 327,866.32 : x
  2. Step 2: Convert to fraction form
    1,001,967.76/1,502,630.88 = 327,866.32/x
  3. Step 3: Cross multiply
    1,001,967.76x = 1,502,630.88 × 327,866.32
  4. Step 4: Simplify right side
    1,001,967.76x = 492,662,056,943.96
  5. Step 5: Solve for x
    x = 492,662,056,943.96/1,001,967.76
  6. Step 6: Final answer
    x = 491,694.52

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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.