Home / 1,365,843.70-2,048,765.55-512,913.70

Finding the Fourth Proportional to 1,365,843.70, 2,048,765.55 and 512,913.70

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Solution

The fourth proportional to 1,365,843.70, 2,048,765.55 and 512,913.70 is: 769,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,843.70 : 2,048,765.55 = 512,913.70 : x
  2. Step 2: Convert to fraction form
    1,365,843.70/2,048,765.55 = 512,913.70/x
  3. Step 3: Cross multiply
    1,365,843.70x = 2,048,765.55 × 512,913.70
  4. Step 4: Simplify right side
    1,365,843.70x = 1,050,839,918,683.04
  5. Step 5: Solve for x
    x = 1,050,839,918,683.04/1,365,843.70
  6. Step 6: Final answer
    x = 769,370.55

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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.