Home / 1,622,408.43-2,238,674.94-933,947.28

Finding the Fourth Proportional to 1,622,408.43, 2,238,674.94 and 933,947.28

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Solution

The fourth proportional to 1,622,408.43, 2,238,674.94 and 933,947.28 is: 1,288,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,408.43 : 2,238,674.94 = 933,947.28 : x
  2. Step 2: Convert to fraction form
    1,622,408.43/2,238,674.94 = 933,947.28/x
  3. Step 3: Cross multiply
    1,622,408.43x = 2,238,674.94 × 933,947.28
  4. Step 4: Simplify right side
    1,622,408.43x = 2,090,804,371,017.16
  5. Step 5: Solve for x
    x = 2,090,804,371,017.16/1,622,408.43
  6. Step 6: Final answer
    x = 1,288,704.08

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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.