Home / 1,703,279.22-2,350,890.09-978,526.54

Finding the Fourth Proportional to 1,703,279.22, 2,350,890.09 and 978,526.54

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Solution

The fourth proportional to 1,703,279.22, 2,350,890.09 and 978,526.54 is: 1,350,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,279.22 : 2,350,890.09 = 978,526.54 : x
  2. Step 2: Convert to fraction form
    1,703,279.22/2,350,890.09 = 978,526.54/x
  3. Step 3: Cross multiply
    1,703,279.22x = 2,350,890.09 × 978,526.54
  4. Step 4: Simplify right side
    1,703,279.22x = 2,300,408,345,687.99
  5. Step 5: Solve for x
    x = 2,300,408,345,687.99/1,703,279.22
  6. Step 6: Final answer
    x = 1,350,576.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.