Home / 1,302,439.79-1,955,449.19-663,173.01

Finding the Fourth Proportional to 1,302,439.79, 1,955,449.19 and 663,173.01

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Solution

The fourth proportional to 1,302,439.79, 1,955,449.19 and 663,173.01 is: 995,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,439.79 : 1,955,449.19 = 663,173.01 : x
  2. Step 2: Convert to fraction form
    1,302,439.79/1,955,449.19 = 663,173.01/x
  3. Step 3: Cross multiply
    1,302,439.79x = 1,955,449.19 × 663,173.01
  4. Step 4: Simplify right side
    1,302,439.79x = 1,296,801,125,234.36
  5. Step 5: Solve for x
    x = 1,296,801,125,234.36/1,302,439.79
  6. Step 6: Final answer
    x = 995,670.69

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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.