Home / 1,397,855.26-2,094,042.61-724,378.33

Finding the Fourth Proportional to 1,397,855.26, 2,094,042.61 and 724,378.33

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Solution

The fourth proportional to 1,397,855.26, 2,094,042.61 and 724,378.33 is: 1,085,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,855.26 : 2,094,042.61 = 724,378.33 : x
  2. Step 2: Convert to fraction form
    1,397,855.26/2,094,042.61 = 724,378.33/x
  3. Step 3: Cross multiply
    1,397,855.26x = 2,094,042.61 × 724,378.33
  4. Step 4: Simplify right side
    1,397,855.26x = 1,516,879,088,780.64
  5. Step 5: Solve for x
    x = 1,516,879,088,780.64/1,397,855.26
  6. Step 6: Final answer
    x = 1,085,147.46

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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.