Home / 1,067,049.60-1,600,027.20-318,998.40

Finding the Fourth Proportional to 1,067,049.60, 1,600,027.20 and 318,998.40

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Solution

The fourth proportional to 1,067,049.60, 1,600,027.20 and 318,998.40 is: 478,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,049.60 : 1,600,027.20 = 318,998.40 : x
  2. Step 2: Convert to fraction form
    1,067,049.60/1,600,027.20 = 318,998.40/x
  3. Step 3: Cross multiply
    1,067,049.60x = 1,600,027.20 × 318,998.40
  4. Step 4: Simplify right side
    1,067,049.60x = 510,406,116,756.48
  5. Step 5: Solve for x
    x = 510,406,116,756.48/1,067,049.60
  6. Step 6: Final answer
    x = 478,334.01

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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.