Home / 823,114.60-1,237,296.30-775,875.40

Finding the Fourth Proportional to 823,114.60, 1,237,296.30 and 775,875.40

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Solution

The fourth proportional to 823,114.60, 1,237,296.30 and 775,875.40 is: 1,166,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,114.60 : 1,237,296.30 = 775,875.40 : x
  2. Step 2: Convert to fraction form
    823,114.60/1,237,296.30 = 775,875.40/x
  3. Step 3: Cross multiply
    823,114.60x = 1,237,296.30 × 775,875.40
  4. Step 4: Simplify right side
    823,114.60x = 959,987,761,681.02
  5. Step 5: Solve for x
    x = 959,987,761,681.02/823,114.60
  6. Step 6: Final answer
    x = 1,166,286.88

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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.