Home / 1,131,988.92-1,697,983.38-775,923.48

Finding the Fourth Proportional to 1,131,988.92, 1,697,983.38 and 775,923.48

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Solution

The fourth proportional to 1,131,988.92, 1,697,983.38 and 775,923.48 is: 1,163,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,988.92 : 1,697,983.38 = 775,923.48 : x
  2. Step 2: Convert to fraction form
    1,131,988.92/1,697,983.38 = 775,923.48/x
  3. Step 3: Cross multiply
    1,131,988.92x = 1,697,983.38 × 775,923.48
  4. Step 4: Simplify right side
    1,131,988.92x = 1,317,505,173,191.76
  5. Step 5: Solve for x
    x = 1,317,505,173,191.76/1,131,988.92
  6. Step 6: Final answer
    x = 1,163,885.22

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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.