Home / 1,421,627.85-2,132,815.68-510,902.33

Finding the Fourth Proportional to 1,421,627.85, 2,132,815.68 and 510,902.33

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Solution

The fourth proportional to 1,421,627.85, 2,132,815.68 and 510,902.33 is: 766,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,627.85 : 2,132,815.68 = 510,902.33 : x
  2. Step 2: Convert to fraction form
    1,421,627.85/2,132,815.68 = 510,902.33/x
  3. Step 3: Cross multiply
    1,421,627.85x = 2,132,815.68 × 510,902.33
  4. Step 4: Simplify right side
    1,421,627.85x = 1,089,660,489,708.46
  5. Step 5: Solve for x
    x = 1,089,660,489,708.46/1,421,627.85
  6. Step 6: Final answer
    x = 766,487.86

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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.