Home / 1,117,731.30-1,675,656.54-486,169.44

Finding the Fourth Proportional to 1,117,731.30, 1,675,656.54 and 486,169.44

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Solution

The fourth proportional to 1,117,731.30, 1,675,656.54 and 486,169.44 is: 728,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,731.30 : 1,675,656.54 = 486,169.44 : x
  2. Step 2: Convert to fraction form
    1,117,731.30/1,675,656.54 = 486,169.44/x
  3. Step 3: Cross multiply
    1,117,731.30x = 1,675,656.54 × 486,169.44
  4. Step 4: Simplify right side
    1,117,731.30x = 814,653,001,684.14
  5. Step 5: Solve for x
    x = 814,653,001,684.14/1,117,731.30
  6. Step 6: Final answer
    x = 728,845.12

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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.