Home / 1,067,057.60-1,600,039.20-319,006.40

Finding the Fourth Proportional to 1,067,057.60, 1,600,039.20 and 319,006.40

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Solution

The fourth proportional to 1,067,057.60, 1,600,039.20 and 319,006.40 is: 478,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,057.60 : 1,600,039.20 = 319,006.40 : x
  2. Step 2: Convert to fraction form
    1,067,057.60/1,600,039.20 = 319,006.40/x
  3. Step 3: Cross multiply
    1,067,057.60x = 1,600,039.20 × 319,006.40
  4. Step 4: Simplify right side
    1,067,057.60x = 510,422,745,050.88
  5. Step 5: Solve for x
    x = 510,422,745,050.88/1,067,057.60
  6. Step 6: Final answer
    x = 478,346.01

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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.