Home / 1,452,399.24-2,173,940.55-776,791.20

Finding the Fourth Proportional to 1,452,399.24, 2,173,940.55 and 776,791.20

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Solution

The fourth proportional to 1,452,399.24, 2,173,940.55 and 776,791.20 is: 1,162,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,399.24 : 2,173,940.55 = 776,791.20 : x
  2. Step 2: Convert to fraction form
    1,452,399.24/2,173,940.55 = 776,791.20/x
  3. Step 3: Cross multiply
    1,452,399.24x = 2,173,940.55 × 776,791.20
  4. Step 4: Simplify right side
    1,452,399.24x = 1,688,697,888,563.16
  5. Step 5: Solve for x
    x = 1,688,697,888,563.16/1,452,399.24
  6. Step 6: Final answer
    x = 1,162,695.38

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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.