Home / 1,356,433.22-1,871,810.13-783,439.22

Finding the Fourth Proportional to 1,356,433.22, 1,871,810.13 and 783,439.22

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Solution

The fourth proportional to 1,356,433.22, 1,871,810.13 and 783,439.22 is: 1,081,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,433.22 : 1,871,810.13 = 783,439.22 : x
  2. Step 2: Convert to fraction form
    1,356,433.22/1,871,810.13 = 783,439.22/x
  3. Step 3: Cross multiply
    1,356,433.22x = 1,871,810.13 × 783,439.22
  4. Step 4: Simplify right side
    1,356,433.22x = 1,466,449,468,235.30
  5. Step 5: Solve for x
    x = 1,466,449,468,235.30/1,356,433.22
  6. Step 6: Final answer
    x = 1,081,107.01

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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.