Home / 1,338,983.02-1,846,879.38-855,333.34

Finding the Fourth Proportional to 1,338,983.02, 1,846,879.38 and 855,333.34

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Solution

The fourth proportional to 1,338,983.02, 1,846,879.38 and 855,333.34 is: 1,179,774.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,983.02 : 1,846,879.38 = 855,333.34 : x
  2. Step 2: Convert to fraction form
    1,338,983.02/1,846,879.38 = 855,333.34/x
  3. Step 3: Cross multiply
    1,338,983.02x = 1,846,879.38 × 855,333.34
  4. Step 4: Simplify right side
    1,338,983.02x = 1,579,697,508,672.53
  5. Step 5: Solve for x
    x = 1,579,697,508,672.53/1,338,983.02
  6. Step 6: Final answer
    x = 1,179,774.12

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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.