Home / 1,102,215.60-1,653,323.40-818,780.40

Finding the Fourth Proportional to 1,102,215.60, 1,653,323.40 and 818,780.40

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Solution

The fourth proportional to 1,102,215.60, 1,653,323.40 and 818,780.40 is: 1,228,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,215.60 : 1,653,323.40 = 818,780.40 : x
  2. Step 2: Convert to fraction form
    1,102,215.60/1,653,323.40 = 818,780.40/x
  3. Step 3: Cross multiply
    1,102,215.60x = 1,653,323.40 × 818,780.40
  4. Step 4: Simplify right side
    1,102,215.60x = 1,353,708,794,781.36
  5. Step 5: Solve for x
    x = 1,353,708,794,781.36/1,102,215.60
  6. Step 6: Final answer
    x = 1,228,170.60

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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.