Home / 1,542,002.40-2,313,003.60-420,069.60

Finding the Fourth Proportional to 1,542,002.40, 2,313,003.60 and 420,069.60

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Solution

The fourth proportional to 1,542,002.40, 2,313,003.60 and 420,069.60 is: 630,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,002.40 : 2,313,003.60 = 420,069.60 : x
  2. Step 2: Convert to fraction form
    1,542,002.40/2,313,003.60 = 420,069.60/x
  3. Step 3: Cross multiply
    1,542,002.40x = 2,313,003.60 × 420,069.60
  4. Step 4: Simplify right side
    1,542,002.40x = 971,622,497,050.56
  5. Step 5: Solve for x
    x = 971,622,497,050.56/1,542,002.40
  6. Step 6: Final answer
    x = 630,104.40

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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.