Home / 1,780,833.60-2,666,819.20-1,245,849.64

Finding the Fourth Proportional to 1,780,833.60, 2,666,819.20 and 1,245,849.64

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Solution

The fourth proportional to 1,780,833.60, 2,666,819.20 and 1,245,849.64 is: 1,865,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,833.60 : 2,666,819.20 = 1,245,849.64 : x
  2. Step 2: Convert to fraction form
    1,780,833.60/2,666,819.20 = 1,245,849.64/x
  3. Step 3: Cross multiply
    1,780,833.60x = 2,666,819.20 × 1,245,849.64
  4. Step 4: Simplify right side
    1,780,833.60x = 3,322,455,740,265.09
  5. Step 5: Solve for x
    x = 3,322,455,740,265.09/1,780,833.60
  6. Step 6: Final answer
    x = 1,865,674.45

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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.