Home / 1,280,701.73-1,923,266.93-682,830.60

Finding the Fourth Proportional to 1,280,701.73, 1,923,266.93 and 682,830.60

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Solution

The fourth proportional to 1,280,701.73, 1,923,266.93 and 682,830.60 is: 1,025,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,701.73 : 1,923,266.93 = 682,830.60 : x
  2. Step 2: Convert to fraction form
    1,280,701.73/1,923,266.93 = 682,830.60/x
  3. Step 3: Cross multiply
    1,280,701.73x = 1,923,266.93 × 682,830.60
  4. Step 4: Simplify right side
    1,280,701.73x = 1,313,265,508,357.91
  5. Step 5: Solve for x
    x = 1,313,265,508,357.91/1,280,701.73
  6. Step 6: Final answer
    x = 1,025,426.52

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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.