Home / 1,100,633.40-1,650,950.10-722,719.80

Finding the Fourth Proportional to 1,100,633.40, 1,650,950.10 and 722,719.80

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Solution

The fourth proportional to 1,100,633.40, 1,650,950.10 and 722,719.80 is: 1,084,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,633.40 : 1,650,950.10 = 722,719.80 : x
  2. Step 2: Convert to fraction form
    1,100,633.40/1,650,950.10 = 722,719.80/x
  3. Step 3: Cross multiply
    1,100,633.40x = 1,650,950.10 × 722,719.80
  4. Step 4: Simplify right side
    1,100,633.40x = 1,193,174,326,081.98
  5. Step 5: Solve for x
    x = 1,193,174,326,081.98/1,100,633.40
  6. Step 6: Final answer
    x = 1,084,079.70

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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.