Home / 778,863.65-1,091,983.75-778,863.65

Finding the Fourth Proportional to 778,863.65, 1,091,983.75 and 778,863.65

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Solution

The fourth proportional to 778,863.65, 1,091,983.75 and 778,863.65 is: 1,091,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,863.65 : 1,091,983.75 = 778,863.65 : x
  2. Step 2: Convert to fraction form
    778,863.65/1,091,983.75 = 778,863.65/x
  3. Step 3: Cross multiply
    778,863.65x = 1,091,983.75 × 778,863.65
  4. Step 4: Simplify right side
    778,863.65x = 850,506,449,265.69
  5. Step 5: Solve for x
    x = 850,506,449,265.69/778,863.65
  6. Step 6: Final answer
    x = 1,091,983.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.