Home / 1,368,697.91-1,888,175.30-885,418.90

Finding the Fourth Proportional to 1,368,697.91, 1,888,175.30 and 885,418.90

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Solution

The fourth proportional to 1,368,697.91, 1,888,175.30 and 885,418.90 is: 1,221,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,697.91 : 1,888,175.30 = 885,418.90 : x
  2. Step 2: Convert to fraction form
    1,368,697.91/1,888,175.30 = 885,418.90/x
  3. Step 3: Cross multiply
    1,368,697.91x = 1,888,175.30 × 885,418.90
  4. Step 4: Simplify right side
    1,368,697.91x = 1,671,826,087,985.64
  5. Step 5: Solve for x
    x = 1,671,826,087,985.64/1,368,697.91
  6. Step 6: Final answer
    x = 1,221,471.94

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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.