Home / 823,055.60-1,237,207.80-775,816.40

Finding the Fourth Proportional to 823,055.60, 1,237,207.80 and 775,816.40

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Solution

The fourth proportional to 823,055.60, 1,237,207.80 and 775,816.40 is: 1,166,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,055.60 : 1,237,207.80 = 775,816.40 : x
  2. Step 2: Convert to fraction form
    823,055.60/1,237,207.80 = 775,816.40/x
  3. Step 3: Cross multiply
    823,055.60x = 1,237,207.80 × 775,816.40
  4. Step 4: Simplify right side
    823,055.60x = 959,846,101,447.92
  5. Step 5: Solve for x
    x = 959,846,101,447.92/823,055.60
  6. Step 6: Final answer
    x = 1,166,198.37

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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.