Home / 1,294,976.80-1,942,295.10-396,508.60

Finding the Fourth Proportional to 1,294,976.80, 1,942,295.10 and 396,508.60

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Solution

The fourth proportional to 1,294,976.80, 1,942,295.10 and 396,508.60 is: 594,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,976.80 : 1,942,295.10 = 396,508.60 : x
  2. Step 2: Convert to fraction form
    1,294,976.80/1,942,295.10 = 396,508.60/x
  3. Step 3: Cross multiply
    1,294,976.80x = 1,942,295.10 × 396,508.60
  4. Step 4: Simplify right side
    1,294,976.80x = 770,136,710,887.86
  5. Step 5: Solve for x
    x = 770,136,710,887.86/1,294,976.80
  6. Step 6: Final answer
    x = 594,710.82

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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.