Home / 1,128,372.01-1,556,744.72-741,395.85

Finding the Fourth Proportional to 1,128,372.01, 1,556,744.72 and 741,395.85

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Solution

The fourth proportional to 1,128,372.01, 1,556,744.72 and 741,395.85 is: 1,022,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,372.01 : 1,556,744.72 = 741,395.85 : x
  2. Step 2: Convert to fraction form
    1,128,372.01/1,556,744.72 = 741,395.85/x
  3. Step 3: Cross multiply
    1,128,372.01x = 1,556,744.72 × 741,395.85
  4. Step 4: Simplify right side
    1,128,372.01x = 1,154,164,067,133.69
  5. Step 5: Solve for x
    x = 1,154,164,067,133.69/1,128,372.01
  6. Step 6: Final answer
    x = 1,022,857.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.