Home / 1,102,782.52-1,651,285.86-722,506.96

Finding the Fourth Proportional to 1,102,782.52, 1,651,285.86 and 722,506.96

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Solution

The fourth proportional to 1,102,782.52, 1,651,285.86 and 722,506.96 is: 1,081,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,782.52 : 1,651,285.86 = 722,506.96 : x
  2. Step 2: Convert to fraction form
    1,102,782.52/1,651,285.86 = 722,506.96/x
  3. Step 3: Cross multiply
    1,102,782.52x = 1,651,285.86 × 722,506.96
  4. Step 4: Simplify right side
    1,102,782.52x = 1,193,065,526,799.59
  5. Step 5: Solve for x
    x = 1,193,065,526,799.59/1,102,782.52
  6. Step 6: Final answer
    x = 1,081,868.37

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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.