Home / 1,299,330.44-1,949,205.82-400,561.88

Finding the Fourth Proportional to 1,299,330.44, 1,949,205.82 and 400,561.88

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Solution

The fourth proportional to 1,299,330.44, 1,949,205.82 and 400,561.88 is: 600,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,330.44 : 1,949,205.82 = 400,561.88 : x
  2. Step 2: Convert to fraction form
    1,299,330.44/1,949,205.82 = 400,561.88/x
  3. Step 3: Cross multiply
    1,299,330.44x = 1,949,205.82 × 400,561.88
  4. Step 4: Simplify right side
    1,299,330.44x = 780,777,547,766.14
  5. Step 5: Solve for x
    x = 780,777,547,766.14/1,299,330.44
  6. Step 6: Final answer
    x = 600,907.61

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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.