Home / 1,228,608.28-1,842,905.08-317,790.80

Finding the Fourth Proportional to 1,228,608.28, 1,842,905.08 and 317,790.80

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Solution

The fourth proportional to 1,228,608.28, 1,842,905.08 and 317,790.80 is: 476,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,608.28 : 1,842,905.08 = 317,790.80 : x
  2. Step 2: Convert to fraction form
    1,228,608.28/1,842,905.08 = 317,790.80/x
  3. Step 3: Cross multiply
    1,228,608.28x = 1,842,905.08 × 317,790.80
  4. Step 4: Simplify right side
    1,228,608.28x = 585,658,279,697.26
  5. Step 5: Solve for x
    x = 585,658,279,697.26/1,228,608.28
  6. Step 6: Final answer
    x = 476,684.30

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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.