Home / 1,361,245.83-1,878,629.07-780,523.00

Finding the Fourth Proportional to 1,361,245.83, 1,878,629.07 and 780,523.00

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Solution

The fourth proportional to 1,361,245.83, 1,878,629.07 and 780,523.00 is: 1,077,184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,245.83 : 1,878,629.07 = 780,523.00 : x
  2. Step 2: Convert to fraction form
    1,361,245.83/1,878,629.07 = 780,523.00/x
  3. Step 3: Cross multiply
    1,361,245.83x = 1,878,629.07 × 780,523.00
  4. Step 4: Simplify right side
    1,361,245.83x = 1,466,313,192,907.04
  5. Step 5: Solve for x
    x = 1,466,313,192,907.04/1,361,245.83
  6. Step 6: Final answer
    x = 1,077,184.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.