Home / 1,118,143.18-1,542,995.49-683,287.66

Finding the Fourth Proportional to 1,118,143.18, 1,542,995.49 and 683,287.66

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Solution

The fourth proportional to 1,118,143.18, 1,542,995.49 and 683,287.66 is: 942,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,143.18 : 1,542,995.49 = 683,287.66 : x
  2. Step 2: Convert to fraction form
    1,118,143.18/1,542,995.49 = 683,287.66/x
  3. Step 3: Cross multiply
    1,118,143.18x = 1,542,995.49 × 683,287.66
  4. Step 4: Simplify right side
    1,118,143.18x = 1,054,309,782,243.73
  5. Step 5: Solve for x
    x = 1,054,309,782,243.73/1,118,143.18
  6. Step 6: Final answer
    x = 942,911.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.