Home / 890,786.40-1,334,624.40-766,370.40

Finding the Fourth Proportional to 890,786.40, 1,334,624.40 and 766,370.40

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Solution

The fourth proportional to 890,786.40, 1,334,624.40 and 766,370.40 is: 1,148,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,786.40 : 1,334,624.40 = 766,370.40 : x
  2. Step 2: Convert to fraction form
    890,786.40/1,334,624.40 = 766,370.40/x
  3. Step 3: Cross multiply
    890,786.40x = 1,334,624.40 × 766,370.40
  4. Step 4: Simplify right side
    890,786.40x = 1,022,816,635,277.76
  5. Step 5: Solve for x
    x = 1,022,816,635,277.76/890,786.40
  6. Step 6: Final answer
    x = 1,148,217.61

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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.