Home / 1,108,274.54-1,660,005.99-680,511.92

Finding the Fourth Proportional to 1,108,274.54, 1,660,005.99 and 680,511.92

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Solution

The fourth proportional to 1,108,274.54, 1,660,005.99 and 680,511.92 is: 1,019,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,274.54 : 1,660,005.99 = 680,511.92 : x
  2. Step 2: Convert to fraction form
    1,108,274.54/1,660,005.99 = 680,511.92/x
  3. Step 3: Cross multiply
    1,108,274.54x = 1,660,005.99 × 680,511.92
  4. Step 4: Simplify right side
    1,108,274.54x = 1,129,653,863,466.40
  5. Step 5: Solve for x
    x = 1,129,653,863,466.40/1,108,274.54
  6. Step 6: Final answer
    x = 1,019,290.64

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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.