Home / 1,853,786.70-2,780,680.05-788,474.70

Finding the Fourth Proportional to 1,853,786.70, 2,780,680.05 and 788,474.70

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Solution

The fourth proportional to 1,853,786.70, 2,780,680.05 and 788,474.70 is: 1,182,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,786.70 : 2,780,680.05 = 788,474.70 : x
  2. Step 2: Convert to fraction form
    1,853,786.70/2,780,680.05 = 788,474.70/x
  3. Step 3: Cross multiply
    1,853,786.70x = 2,780,680.05 × 788,474.70
  4. Step 4: Simplify right side
    1,853,786.70x = 2,192,495,868,219.73
  5. Step 5: Solve for x
    x = 2,192,495,868,219.73/1,853,786.70
  6. Step 6: Final answer
    x = 1,182,712.05

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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.