Home / 1,351,404.60-2,021,858.10-879,012.60

Finding the Fourth Proportional to 1,351,404.60, 2,021,858.10 and 879,012.60

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Solution

The fourth proportional to 1,351,404.60, 2,021,858.10 and 879,012.60 is: 1,315,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,404.60 : 2,021,858.10 = 879,012.60 : x
  2. Step 2: Convert to fraction form
    1,351,404.60/2,021,858.10 = 879,012.60/x
  3. Step 3: Cross multiply
    1,351,404.60x = 2,021,858.10 × 879,012.60
  4. Step 4: Simplify right side
    1,351,404.60x = 1,777,238,745,312.06
  5. Step 5: Solve for x
    x = 1,777,238,745,312.06/1,351,404.60
  6. Step 6: Final answer
    x = 1,315,104.85

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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.