Home / 1,340,383.80-2,014,722.90-1,315,500.60

Finding the Fourth Proportional to 1,340,383.80, 2,014,722.90 and 1,315,500.60

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Solution

The fourth proportional to 1,340,383.80, 2,014,722.90 and 1,315,500.60 is: 1,977,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,383.80 : 2,014,722.90 = 1,315,500.60 : x
  2. Step 2: Convert to fraction form
    1,340,383.80/2,014,722.90 = 1,315,500.60/x
  3. Step 3: Cross multiply
    1,340,383.80x = 2,014,722.90 × 1,315,500.60
  4. Step 4: Simplify right side
    1,340,383.80x = 2,650,369,183,783.74
  5. Step 5: Solve for x
    x = 2,650,369,183,783.74/1,340,383.80
  6. Step 6: Final answer
    x = 1,977,321.11

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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.