Home / 1,320,537.30-1,822,340.09-739,764.52

Finding the Fourth Proportional to 1,320,537.30, 1,822,340.09 and 739,764.52

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Solution

The fourth proportional to 1,320,537.30, 1,822,340.09 and 739,764.52 is: 1,020,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,537.30 : 1,822,340.09 = 739,764.52 : x
  2. Step 2: Convert to fraction form
    1,320,537.30/1,822,340.09 = 739,764.52/x
  3. Step 3: Cross multiply
    1,320,537.30x = 1,822,340.09 × 739,764.52
  4. Step 4: Simplify right side
    1,320,537.30x = 1,348,102,539,249.17
  5. Step 5: Solve for x
    x = 1,348,102,539,249.17/1,320,537.30
  6. Step 6: Final answer
    x = 1,020,874.26

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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.