Home / 1,350,505.16-2,022,329.58-810,421.88

Finding the Fourth Proportional to 1,350,505.16, 2,022,329.58 and 810,421.88

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Solution

The fourth proportional to 1,350,505.16, 2,022,329.58 and 810,421.88 is: 1,213,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,505.16 : 2,022,329.58 = 810,421.88 : x
  2. Step 2: Convert to fraction form
    1,350,505.16/2,022,329.58 = 810,421.88/x
  3. Step 3: Cross multiply
    1,350,505.16x = 2,022,329.58 × 810,421.88
  4. Step 4: Simplify right side
    1,350,505.16x = 1,638,940,140,203.21
  5. Step 5: Solve for x
    x = 1,638,940,140,203.21/1,350,505.16
  6. Step 6: Final answer
    x = 1,213,575.62

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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.