Home / 778,862.90-1,091,982.70-778,862.90

Finding the Fourth Proportional to 778,862.90, 1,091,982.70 and 778,862.90

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Solution

The fourth proportional to 778,862.90, 1,091,982.70 and 778,862.90 is: 1,091,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,862.90 : 1,091,982.70 = 778,862.90 : x
  2. Step 2: Convert to fraction form
    778,862.90/1,091,982.70 = 778,862.90/x
  3. Step 3: Cross multiply
    778,862.90x = 1,091,982.70 × 778,862.90
  4. Step 4: Simplify right side
    778,862.90x = 850,504,812,471.83
  5. Step 5: Solve for x
    x = 850,504,812,471.83/778,862.90
  6. Step 6: Final answer
    x = 1,091,982.70

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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.