Home / 1,510,481.70-2,265,722.55-871,877.70

Finding the Fourth Proportional to 1,510,481.70, 2,265,722.55 and 871,877.70

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Solution

The fourth proportional to 1,510,481.70, 2,265,722.55 and 871,877.70 is: 1,307,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,481.70 : 2,265,722.55 = 871,877.70 : x
  2. Step 2: Convert to fraction form
    1,510,481.70/2,265,722.55 = 871,877.70/x
  3. Step 3: Cross multiply
    1,510,481.70x = 2,265,722.55 × 871,877.70
  4. Step 4: Simplify right side
    1,510,481.70x = 1,975,432,965,732.13
  5. Step 5: Solve for x
    x = 1,975,432,965,732.13/1,510,481.70
  6. Step 6: Final answer
    x = 1,307,816.55

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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.