Home / 1,228,474.80-1,842,712.20-909,610.20

Finding the Fourth Proportional to 1,228,474.80, 1,842,712.20 and 909,610.20

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Solution

The fourth proportional to 1,228,474.80, 1,842,712.20 and 909,610.20 is: 1,364,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,474.80 : 1,842,712.20 = 909,610.20 : x
  2. Step 2: Convert to fraction form
    1,228,474.80/1,842,712.20 = 909,610.20/x
  3. Step 3: Cross multiply
    1,228,474.80x = 1,842,712.20 × 909,610.20
  4. Step 4: Simplify right side
    1,228,474.80x = 1,676,149,812,784.44
  5. Step 5: Solve for x
    x = 1,676,149,812,784.44/1,228,474.80
  6. Step 6: Final answer
    x = 1,364,415.30

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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.