Home / 1,853,722.90-2,780,584.35-788,799.70

Finding the Fourth Proportional to 1,853,722.90, 2,780,584.35 and 788,799.70

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Solution

The fourth proportional to 1,853,722.90, 2,780,584.35 and 788,799.70 is: 1,183,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,722.90 : 2,780,584.35 = 788,799.70 : x
  2. Step 2: Convert to fraction form
    1,853,722.90/2,780,584.35 = 788,799.70/x
  3. Step 3: Cross multiply
    1,853,722.90x = 2,780,584.35 × 788,799.70
  4. Step 4: Simplify right side
    1,853,722.90x = 2,193,324,101,104.69
  5. Step 5: Solve for x
    x = 2,193,324,101,104.69/1,853,722.90
  6. Step 6: Final answer
    x = 1,183,199.55

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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.