Home / 778,593.80-1,167,890.70-762,847.40

Finding the Fourth Proportional to 778,593.80, 1,167,890.70 and 762,847.40

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Solution

The fourth proportional to 778,593.80, 1,167,890.70 and 762,847.40 is: 1,144,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,593.80 : 1,167,890.70 = 762,847.40 : x
  2. Step 2: Convert to fraction form
    778,593.80/1,167,890.70 = 762,847.40/x
  3. Step 3: Cross multiply
    778,593.80x = 1,167,890.70 × 762,847.40
  4. Step 4: Simplify right side
    778,593.80x = 890,922,383,979.18
  5. Step 5: Solve for x
    x = 890,922,383,979.18/778,593.80
  6. Step 6: Final answer
    x = 1,144,271.10

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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.