Home / 1,120,782.24-1,679,005.78-938,705.92

Finding the Fourth Proportional to 1,120,782.24, 1,679,005.78 and 938,705.92

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Solution

The fourth proportional to 1,120,782.24, 1,679,005.78 and 938,705.92 is: 1,406,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,782.24 : 1,679,005.78 = 938,705.92 : x
  2. Step 2: Convert to fraction form
    1,120,782.24/1,679,005.78 = 938,705.92/x
  3. Step 3: Cross multiply
    1,120,782.24x = 1,679,005.78 × 938,705.92
  4. Step 4: Simplify right side
    1,120,782.24x = 1,576,092,665,400.22
  5. Step 5: Solve for x
    x = 1,576,092,665,400.22/1,120,782.24
  6. Step 6: Final answer
    x = 1,406,243.43

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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.