Home / 1,541,909.20-2,313,009.60-419,978.20

Finding the Fourth Proportional to 1,541,909.20, 2,313,009.60 and 419,978.20

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Solution

The fourth proportional to 1,541,909.20, 2,313,009.60 and 419,978.20 is: 630,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,909.20 : 2,313,009.60 = 419,978.20 : x
  2. Step 2: Convert to fraction form
    1,541,909.20/2,313,009.60 = 419,978.20/x
  3. Step 3: Cross multiply
    1,541,909.20x = 2,313,009.60 × 419,978.20
  4. Step 4: Simplify right side
    1,541,909.20x = 971,413,608,390.72
  5. Step 5: Solve for x
    x = 971,413,608,390.72/1,541,909.20
  6. Step 6: Final answer
    x = 630,007.01

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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.