Home / 1,009,940.60-1,514,910.90-261,986.60

Finding the Fourth Proportional to 1,009,940.60, 1,514,910.90 and 261,986.60

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Solution

The fourth proportional to 1,009,940.60, 1,514,910.90 and 261,986.60 is: 392,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,940.60 : 1,514,910.90 = 261,986.60 : x
  2. Step 2: Convert to fraction form
    1,009,940.60/1,514,910.90 = 261,986.60/x
  3. Step 3: Cross multiply
    1,009,940.60x = 1,514,910.90 × 261,986.60
  4. Step 4: Simplify right side
    1,009,940.60x = 396,886,355,993.94
  5. Step 5: Solve for x
    x = 396,886,355,993.94/1,009,940.60
  6. Step 6: Final answer
    x = 392,979.90

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1.5x scale

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.