Home / 883,407.20-1,325,110.80-823,920.80

Finding the Fourth Proportional to 883,407.20, 1,325,110.80 and 823,920.80

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Solution

The fourth proportional to 883,407.20, 1,325,110.80 and 823,920.80 is: 1,235,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,407.20 : 1,325,110.80 = 823,920.80 : x
  2. Step 2: Convert to fraction form
    883,407.20/1,325,110.80 = 823,920.80/x
  3. Step 3: Cross multiply
    883,407.20x = 1,325,110.80 × 823,920.80
  4. Step 4: Simplify right side
    883,407.20x = 1,091,786,350,424.64
  5. Step 5: Solve for x
    x = 1,091,786,350,424.64/883,407.20
  6. Step 6: Final answer
    x = 1,235,881.20

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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.