Home / 1,340,998.40-2,011,497.60-394,464.80

Finding the Fourth Proportional to 1,340,998.40, 2,011,497.60 and 394,464.80

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Solution

The fourth proportional to 1,340,998.40, 2,011,497.60 and 394,464.80 is: 591,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,998.40 : 2,011,497.60 = 394,464.80 : x
  2. Step 2: Convert to fraction form
    1,340,998.40/2,011,497.60 = 394,464.80/x
  3. Step 3: Cross multiply
    1,340,998.40x = 2,011,497.60 × 394,464.80
  4. Step 4: Simplify right side
    1,340,998.40x = 793,464,998,484.48
  5. Step 5: Solve for x
    x = 793,464,998,484.48/1,340,998.40
  6. Step 6: Final answer
    x = 591,697.20

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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.