Home / 1,994,176.70-2,992,018.92-780,620.63

Finding the Fourth Proportional to 1,994,176.70, 2,992,018.92 and 780,620.63

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Solution

The fourth proportional to 1,994,176.70, 2,992,018.92 and 780,620.63 is: 1,171,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,176.70 : 2,992,018.92 = 780,620.63 : x
  2. Step 2: Convert to fraction form
    1,994,176.70/2,992,018.92 = 780,620.63/x
  3. Step 3: Cross multiply
    1,994,176.70x = 2,992,018.92 × 780,620.63
  4. Step 4: Simplify right side
    1,994,176.70x = 2,335,631,679,342.23
  5. Step 5: Solve for x
    x = 2,335,631,679,342.23/1,994,176.70
  6. Step 6: Final answer
    x = 1,171,226.04

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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.