Home / 1,340,219.20-2,009,637.60-498,337.60

Finding the Fourth Proportional to 1,340,219.20, 2,009,637.60 and 498,337.60

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Solution

The fourth proportional to 1,340,219.20, 2,009,637.60 and 498,337.60 is: 747,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,219.20 : 2,009,637.60 = 498,337.60 : x
  2. Step 2: Convert to fraction form
    1,340,219.20/2,009,637.60 = 498,337.60/x
  3. Step 3: Cross multiply
    1,340,219.20x = 2,009,637.60 × 498,337.60
  4. Step 4: Simplify right side
    1,340,219.20x = 1,001,477,978,453.76
  5. Step 5: Solve for x
    x = 1,001,477,978,453.76/1,340,219.20
  6. Step 6: Final answer
    x = 747,249.39

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1.5x scale

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.