Home / 1,678,548.78-2,520,018.18-996,680.70

Finding the Fourth Proportional to 1,678,548.78, 2,520,018.18 and 996,680.70

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Solution

The fourth proportional to 1,678,548.78, 2,520,018.18 and 996,680.70 is: 1,496,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,548.78 : 2,520,018.18 = 996,680.70 : x
  2. Step 2: Convert to fraction form
    1,678,548.78/2,520,018.18 = 996,680.70/x
  3. Step 3: Cross multiply
    1,678,548.78x = 2,520,018.18 × 996,680.70
  4. Step 4: Simplify right side
    1,678,548.78x = 2,511,653,483,655.13
  5. Step 5: Solve for x
    x = 2,511,653,483,655.13/1,678,548.78
  6. Step 6: Final answer
    x = 1,496,324.39

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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.