Home / 1,333,514.48-1,840,235.64-721,653.72

Finding the Fourth Proportional to 1,333,514.48, 1,840,235.64 and 721,653.72

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Solution

The fourth proportional to 1,333,514.48, 1,840,235.64 and 721,653.72 is: 995,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,514.48 : 1,840,235.64 = 721,653.72 : x
  2. Step 2: Convert to fraction form
    1,333,514.48/1,840,235.64 = 721,653.72/x
  3. Step 3: Cross multiply
    1,333,514.48x = 1,840,235.64 × 721,653.72
  4. Step 4: Simplify right side
    1,333,514.48x = 1,328,012,895,282.58
  5. Step 5: Solve for x
    x = 1,328,012,895,282.58/1,333,514.48
  6. Step 6: Final answer
    x = 995,874.37

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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.