Home / 1,376,018.70-2,062,278.45-664,514.70

Finding the Fourth Proportional to 1,376,018.70, 2,062,278.45 and 664,514.70

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Solution

The fourth proportional to 1,376,018.70, 2,062,278.45 and 664,514.70 is: 995,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,018.70 : 2,062,278.45 = 664,514.70 : x
  2. Step 2: Convert to fraction form
    1,376,018.70/2,062,278.45 = 664,514.70/x
  3. Step 3: Cross multiply
    1,376,018.70x = 2,062,278.45 × 664,514.70
  4. Step 4: Simplify right side
    1,376,018.70x = 1,370,414,345,518.21
  5. Step 5: Solve for x
    x = 1,370,414,345,518.21/1,376,018.70
  6. Step 6: Final answer
    x = 995,927.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.