Home / 1,109,998.80-1,664,998.20-400,098.60

Finding the Fourth Proportional to 1,109,998.80, 1,664,998.20 and 400,098.60

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Solution

The fourth proportional to 1,109,998.80, 1,664,998.20 and 400,098.60 is: 600,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,998.80 : 1,664,998.20 = 400,098.60 : x
  2. Step 2: Convert to fraction form
    1,109,998.80/1,664,998.20 = 400,098.60/x
  3. Step 3: Cross multiply
    1,109,998.80x = 1,664,998.20 × 400,098.60
  4. Step 4: Simplify right side
    1,109,998.80x = 666,163,448,822.52
  5. Step 5: Solve for x
    x = 666,163,448,822.52/1,109,998.80
  6. Step 6: Final answer
    x = 600,147.90

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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.