Home / 1,612,910.40-2,419,365.60-490,977.60

Finding the Fourth Proportional to 1,612,910.40, 2,419,365.60 and 490,977.60

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Solution

The fourth proportional to 1,612,910.40, 2,419,365.60 and 490,977.60 is: 736,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,910.40 : 2,419,365.60 = 490,977.60 : x
  2. Step 2: Convert to fraction form
    1,612,910.40/2,419,365.60 = 490,977.60/x
  3. Step 3: Cross multiply
    1,612,910.40x = 2,419,365.60 × 490,977.60
  4. Step 4: Simplify right side
    1,612,910.40x = 1,187,854,315,810.56
  5. Step 5: Solve for x
    x = 1,187,854,315,810.56/1,612,910.40
  6. Step 6: Final answer
    x = 736,466.40

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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.