Home / 1,368,125.37-1,887,552.72-885,301.38

Finding the Fourth Proportional to 1,368,125.37, 1,887,552.72 and 885,301.38

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Solution

The fourth proportional to 1,368,125.37, 1,887,552.72 and 885,301.38 is: 1,221,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,125.37 : 1,887,552.72 = 885,301.38 : x
  2. Step 2: Convert to fraction form
    1,368,125.37/1,887,552.72 = 885,301.38/x
  3. Step 3: Cross multiply
    1,368,125.37x = 1,887,552.72 × 885,301.38
  4. Step 4: Simplify right side
    1,368,125.37x = 1,671,053,027,838.75
  5. Step 5: Solve for x
    x = 1,671,053,027,838.75/1,368,125.37
  6. Step 6: Final answer
    x = 1,221,418.05

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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.