Home / 917,834.20-1,375,406.70-823,064.20

Finding the Fourth Proportional to 917,834.20, 1,375,406.70 and 823,064.20

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Solution

The fourth proportional to 917,834.20, 1,375,406.70 and 823,064.20 is: 1,233,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,834.20 : 1,375,406.70 = 823,064.20 : x
  2. Step 2: Convert to fraction form
    917,834.20/1,375,406.70 = 823,064.20/x
  3. Step 3: Cross multiply
    917,834.20x = 1,375,406.70 × 823,064.20
  4. Step 4: Simplify right side
    917,834.20x = 1,132,048,015,210.14
  5. Step 5: Solve for x
    x = 1,132,048,015,210.14/917,834.20
  6. Step 6: Final answer
    x = 1,233,390.54

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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.