Home / 1,853,975.70-2,780,963.55-788,750.10

Finding the Fourth Proportional to 1,853,975.70, 2,780,963.55 and 788,750.10

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Solution

The fourth proportional to 1,853,975.70, 2,780,963.55 and 788,750.10 is: 1,183,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,975.70 : 2,780,963.55 = 788,750.10 : x
  2. Step 2: Convert to fraction form
    1,853,975.70/2,780,963.55 = 788,750.10/x
  3. Step 3: Cross multiply
    1,853,975.70x = 2,780,963.55 × 788,750.10
  4. Step 4: Simplify right side
    1,853,975.70x = 2,193,485,278,158.85
  5. Step 5: Solve for x
    x = 2,193,485,278,158.85/1,853,975.70
  6. Step 6: Final answer
    x = 1,183,125.15

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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.