Home / 1,117,665.30-1,675,557.54-486,103.44

Finding the Fourth Proportional to 1,117,665.30, 1,675,557.54 and 486,103.44

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Solution

The fourth proportional to 1,117,665.30, 1,675,557.54 and 486,103.44 is: 728,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,665.30 : 1,675,557.54 = 486,103.44 : x
  2. Step 2: Convert to fraction form
    1,117,665.30/1,675,557.54 = 486,103.44/x
  3. Step 3: Cross multiply
    1,117,665.30x = 1,675,557.54 × 486,103.44
  4. Step 4: Simplify right side
    1,117,665.30x = 814,494,284,111.94
  5. Step 5: Solve for x
    x = 814,494,284,111.94/1,117,665.30
  6. Step 6: Final answer
    x = 728,746.15

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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.