Home / 1,121,875.80-1,682,823.30-373,921.80

Finding the Fourth Proportional to 1,121,875.80, 1,682,823.30 and 373,921.80

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Solution

The fourth proportional to 1,121,875.80, 1,682,823.30 and 373,921.80 is: 560,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,875.80 : 1,682,823.30 = 373,921.80 : x
  2. Step 2: Convert to fraction form
    1,121,875.80/1,682,823.30 = 373,921.80/x
  3. Step 3: Cross multiply
    1,121,875.80x = 1,682,823.30 × 373,921.80
  4. Step 4: Simplify right side
    1,121,875.80x = 629,244,317,417.94
  5. Step 5: Solve for x
    x = 629,244,317,417.94/1,121,875.80
  6. Step 6: Final answer
    x = 560,885.90

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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.