Home / 1,128,371.51-1,556,744.03-741,395.34

Finding the Fourth Proportional to 1,128,371.51, 1,556,744.03 and 741,395.34

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Solution

The fourth proportional to 1,128,371.51, 1,556,744.03 and 741,395.34 is: 1,022,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,371.51 : 1,556,744.03 = 741,395.34 : x
  2. Step 2: Convert to fraction form
    1,128,371.51/1,556,744.03 = 741,395.34/x
  3. Step 3: Cross multiply
    1,128,371.51x = 1,556,744.03 × 741,395.34
  4. Step 4: Simplify right side
    1,128,371.51x = 1,154,162,774,325.87
  5. Step 5: Solve for x
    x = 1,154,162,774,325.87/1,128,371.51
  6. Step 6: Final answer
    x = 1,022,857.07

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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.