Home / 1,356,268.38-1,871,623.63-767,556.91

Finding the Fourth Proportional to 1,356,268.38, 1,871,623.63 and 767,556.91

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Solution

The fourth proportional to 1,356,268.38, 1,871,623.63 and 767,556.91 is: 1,059,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,268.38 : 1,871,623.63 = 767,556.91 : x
  2. Step 2: Convert to fraction form
    1,356,268.38/1,871,623.63 = 767,556.91/x
  3. Step 3: Cross multiply
    1,356,268.38x = 1,871,623.63 × 767,556.91
  4. Step 4: Simplify right side
    1,356,268.38x = 1,436,577,653,424.76
  5. Step 5: Solve for x
    x = 1,436,577,653,424.76/1,356,268.38
  6. Step 6: Final answer
    x = 1,059,213.41

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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.