Home / 1,605,558.45-2,215,669.56-880,418.52

Finding the Fourth Proportional to 1,605,558.45, 2,215,669.56 and 880,418.52

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Solution

The fourth proportional to 1,605,558.45, 2,215,669.56 and 880,418.52 is: 1,214,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,558.45 : 2,215,669.56 = 880,418.52 : x
  2. Step 2: Convert to fraction form
    1,605,558.45/2,215,669.56 = 880,418.52/x
  3. Step 3: Cross multiply
    1,605,558.45x = 2,215,669.56 × 880,418.52
  4. Step 4: Simplify right side
    1,605,558.45x = 1,950,716,514,824.25
  5. Step 5: Solve for x
    x = 1,950,716,514,824.25/1,605,558.45
  6. Step 6: Final answer
    x = 1,214,976.95

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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.