Home / 1,789,505.52-2,469,619.80-1,025,686.32

Finding the Fourth Proportional to 1,789,505.52, 2,469,619.80 and 1,025,686.32

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Solution

The fourth proportional to 1,789,505.52, 2,469,619.80 and 1,025,686.32 is: 1,415,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,505.52 : 2,469,619.80 = 1,025,686.32 : x
  2. Step 2: Convert to fraction form
    1,789,505.52/2,469,619.80 = 1,025,686.32/x
  3. Step 3: Cross multiply
    1,789,505.52x = 2,469,619.80 × 1,025,686.32
  4. Step 4: Simplify right side
    1,789,505.52x = 2,533,055,244,461.14
  5. Step 5: Solve for x
    x = 2,533,055,244,461.14/1,789,505.52
  6. Step 6: Final answer
    x = 1,415,505.69

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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.