Home / 1,422,610.80-2,133,186.60-425,209.20

Finding the Fourth Proportional to 1,422,610.80, 2,133,186.60 and 425,209.20

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Solution

The fourth proportional to 1,422,610.80, 2,133,186.60 and 425,209.20 is: 637,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,610.80 : 2,133,186.60 = 425,209.20 : x
  2. Step 2: Convert to fraction form
    1,422,610.80/2,133,186.60 = 425,209.20/x
  3. Step 3: Cross multiply
    1,422,610.80x = 2,133,186.60 × 425,209.20
  4. Step 4: Simplify right side
    1,422,610.80x = 907,050,567,636.72
  5. Step 5: Solve for x
    x = 907,050,567,636.72/1,422,610.80
  6. Step 6: Final answer
    x = 637,595.73

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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.