Home / 1,455,756.40-2,183,245.80-444,876.40

Finding the Fourth Proportional to 1,455,756.40, 2,183,245.80 and 444,876.40

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Solution

The fourth proportional to 1,455,756.40, 2,183,245.80 and 444,876.40 is: 667,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,756.40 : 2,183,245.80 = 444,876.40 : x
  2. Step 2: Convert to fraction form
    1,455,756.40/2,183,245.80 = 444,876.40/x
  3. Step 3: Cross multiply
    1,455,756.40x = 2,183,245.80 × 444,876.40
  4. Step 4: Simplify right side
    1,455,756.40x = 971,274,531,819.12
  5. Step 5: Solve for x
    x = 971,274,531,819.12/1,455,756.40
  6. Step 6: Final answer
    x = 667,195.78

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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.