Home / 1,350,162.40-2,026,021.20-509,317.60

Finding the Fourth Proportional to 1,350,162.40, 2,026,021.20 and 509,317.60

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Solution

The fourth proportional to 1,350,162.40, 2,026,021.20 and 509,317.60 is: 764,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,162.40 : 2,026,021.20 = 509,317.60 : x
  2. Step 2: Convert to fraction form
    1,350,162.40/2,026,021.20 = 509,317.60/x
  3. Step 3: Cross multiply
    1,350,162.40x = 2,026,021.20 × 509,317.60
  4. Step 4: Simplify right side
    1,350,162.40x = 1,031,888,255,133.12
  5. Step 5: Solve for x
    x = 1,031,888,255,133.12/1,350,162.40
  6. Step 6: Final answer
    x = 764,269.73

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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.