Home / 1,308,467.12-1,805,694.60-727,698.40

Finding the Fourth Proportional to 1,308,467.12, 1,805,694.60 and 727,698.40

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Solution

The fourth proportional to 1,308,467.12, 1,805,694.60 and 727,698.40 is: 1,004,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,467.12 : 1,805,694.60 = 727,698.40 : x
  2. Step 2: Convert to fraction form
    1,308,467.12/1,805,694.60 = 727,698.40/x
  3. Step 3: Cross multiply
    1,308,467.12x = 1,805,694.60 × 727,698.40
  4. Step 4: Simplify right side
    1,308,467.12x = 1,314,001,071,308.64
  5. Step 5: Solve for x
    x = 1,314,001,071,308.64/1,308,467.12
  6. Step 6: Final answer
    x = 1,004,229.34

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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.