Home / 1,350,780.42-2,022,923.61-772,651.52

Finding the Fourth Proportional to 1,350,780.42, 2,022,923.61 and 772,651.52

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Solution

The fourth proportional to 1,350,780.42, 2,022,923.61 and 772,651.52 is: 1,157,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,780.42 : 2,022,923.61 = 772,651.52 : x
  2. Step 2: Convert to fraction form
    1,350,780.42/2,022,923.61 = 772,651.52/x
  3. Step 3: Cross multiply
    1,350,780.42x = 2,022,923.61 × 772,651.52
  4. Step 4: Simplify right side
    1,350,780.42x = 1,563,014,991,995.77
  5. Step 5: Solve for x
    x = 1,563,014,991,995.77/1,350,780.42
  6. Step 6: Final answer
    x = 1,157,119.96

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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.