Home / 1,142,035.20-1,712,469.60-422,340.48

Finding the Fourth Proportional to 1,142,035.20, 1,712,469.60 and 422,340.48

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Solution

The fourth proportional to 1,142,035.20, 1,712,469.60 and 422,340.48 is: 633,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,035.20 : 1,712,469.60 = 422,340.48 : x
  2. Step 2: Convert to fraction form
    1,142,035.20/1,712,469.60 = 422,340.48/x
  3. Step 3: Cross multiply
    1,142,035.20x = 1,712,469.60 × 422,340.48
  4. Step 4: Simplify right side
    1,142,035.20x = 723,245,232,849.41
  5. Step 5: Solve for x
    x = 723,245,232,849.41/1,142,035.20
  6. Step 6: Final answer
    x = 633,295.04

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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.