Home / 1,409,199.71-2,113,793.85-510,431.09

Finding the Fourth Proportional to 1,409,199.71, 2,113,793.85 and 510,431.09

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Solution

The fourth proportional to 1,409,199.71, 2,113,793.85 and 510,431.09 is: 765,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,199.71 : 2,113,793.85 = 510,431.09 : x
  2. Step 2: Convert to fraction form
    1,409,199.71/2,113,793.85 = 510,431.09/x
  3. Step 3: Cross multiply
    1,409,199.71x = 2,113,793.85 × 510,431.09
  4. Step 4: Simplify right side
    1,409,199.71x = 1,078,946,098,890.80
  5. Step 5: Solve for x
    x = 1,078,946,098,890.80/1,409,199.71
  6. Step 6: Final answer
    x = 765,644.56

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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.