Home / 1,678,549.78-2,520,019.68-996,681.70

Finding the Fourth Proportional to 1,678,549.78, 2,520,019.68 and 996,681.70

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Solution

The fourth proportional to 1,678,549.78, 2,520,019.68 and 996,681.70 is: 1,496,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,549.78 : 2,520,019.68 = 996,681.70 : x
  2. Step 2: Convert to fraction form
    1,678,549.78/2,520,019.68 = 996,681.70/x
  3. Step 3: Cross multiply
    1,678,549.78x = 2,520,019.68 × 996,681.70
  4. Step 4: Simplify right side
    1,678,549.78x = 2,511,657,498,695.86
  5. Step 5: Solve for x
    x = 2,511,657,498,695.86/1,678,549.78
  6. Step 6: Final answer
    x = 1,496,325.89

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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.