Home / 1,853,722.70-2,780,584.05-788,410.70

Finding the Fourth Proportional to 1,853,722.70, 2,780,584.05 and 788,410.70

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Solution

The fourth proportional to 1,853,722.70, 2,780,584.05 and 788,410.70 is: 1,182,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,722.70 : 2,780,584.05 = 788,410.70 : x
  2. Step 2: Convert to fraction form
    1,853,722.70/2,780,584.05 = 788,410.70/x
  3. Step 3: Cross multiply
    1,853,722.70x = 2,780,584.05 × 788,410.70
  4. Step 4: Simplify right side
    1,853,722.70x = 2,192,242,217,269.33
  5. Step 5: Solve for x
    x = 2,192,242,217,269.33/1,853,722.70
  6. Step 6: Final answer
    x = 1,182,616.05

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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.