Home / 2,759,048.40-4,138,574.16-764,504.40

Finding the Fourth Proportional to 2,759,048.40, 4,138,574.16 and 764,504.40

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Solution

The fourth proportional to 2,759,048.40, 4,138,574.16 and 764,504.40 is: 1,146,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,048.40 : 4,138,574.16 = 764,504.40 : x
  2. Step 2: Convert to fraction form
    2,759,048.40/4,138,574.16 = 764,504.40/x
  3. Step 3: Cross multiply
    2,759,048.40x = 4,138,574.16 × 764,504.40
  4. Step 4: Simplify right side
    2,759,048.40x = 3,163,958,155,046.30
  5. Step 5: Solve for x
    x = 3,163,958,155,046.30/2,759,048.40
  6. Step 6: Final answer
    x = 1,146,757.03

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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.