Home / 1,419,505.20-2,130,074.64-788,366.16

Finding the Fourth Proportional to 1,419,505.20, 2,130,074.64 and 788,366.16

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Solution

The fourth proportional to 1,419,505.20, 2,130,074.64 and 788,366.16 is: 1,183,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,505.20 : 2,130,074.64 = 788,366.16 : x
  2. Step 2: Convert to fraction form
    1,419,505.20/2,130,074.64 = 788,366.16/x
  3. Step 3: Cross multiply
    1,419,505.20x = 2,130,074.64 × 788,366.16
  4. Step 4: Simplify right side
    1,419,505.20x = 1,679,278,764,450.18
  5. Step 5: Solve for x
    x = 1,679,278,764,450.18/1,419,505.20
  6. Step 6: Final answer
    x = 1,183,002.90

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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.