Home / 1,060,876.12-1,464,198.78-678,889.84

Finding the Fourth Proportional to 1,060,876.12, 1,464,198.78 and 678,889.84

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Solution

The fourth proportional to 1,060,876.12, 1,464,198.78 and 678,889.84 is: 936,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,876.12 : 1,464,198.78 = 678,889.84 : x
  2. Step 2: Convert to fraction form
    1,060,876.12/1,464,198.78 = 678,889.84/x
  3. Step 3: Cross multiply
    1,060,876.12x = 1,464,198.78 × 678,889.84
  4. Step 4: Simplify right side
    1,060,876.12x = 994,029,675,482.40
  5. Step 5: Solve for x
    x = 994,029,675,482.40/1,060,876.12
  6. Step 6: Final answer
    x = 936,989.40

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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.