Home / 1,356,048.63-1,871,223.22-804,669.12

Finding the Fourth Proportional to 1,356,048.63, 1,871,223.22 and 804,669.12

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Solution

The fourth proportional to 1,356,048.63, 1,871,223.22 and 804,669.12 is: 1,110,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,048.63 : 1,871,223.22 = 804,669.12 : x
  2. Step 2: Convert to fraction form
    1,356,048.63/1,871,223.22 = 804,669.12/x
  3. Step 3: Cross multiply
    1,356,048.63x = 1,871,223.22 × 804,669.12
  4. Step 4: Simplify right side
    1,356,048.63x = 1,505,715,541,760.97
  5. Step 5: Solve for x
    x = 1,505,715,541,760.97/1,356,048.63
  6. Step 6: Final answer
    x = 1,110,369.87

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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.