Home / 790,736.80-1,183,340.40-724,381.60

Finding the Fourth Proportional to 790,736.80, 1,183,340.40 and 724,381.60

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Solution

The fourth proportional to 790,736.80, 1,183,340.40 and 724,381.60 is: 1,084,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,736.80 : 1,183,340.40 = 724,381.60 : x
  2. Step 2: Convert to fraction form
    790,736.80/1,183,340.40 = 724,381.60/x
  3. Step 3: Cross multiply
    790,736.80x = 1,183,340.40 × 724,381.60
  4. Step 4: Simplify right side
    790,736.80x = 857,190,012,296.64
  5. Step 5: Solve for x
    x = 857,190,012,296.64/790,736.80
  6. Step 6: Final answer
    x = 1,084,039.61

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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.