Home / 1,319,707.72-1,979,560.86-478,258.12

Finding the Fourth Proportional to 1,319,707.72, 1,979,560.86 and 478,258.12

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Solution

The fourth proportional to 1,319,707.72, 1,979,560.86 and 478,258.12 is: 717,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,707.72 : 1,979,560.86 = 478,258.12 : x
  2. Step 2: Convert to fraction form
    1,319,707.72/1,979,560.86 = 478,258.12/x
  3. Step 3: Cross multiply
    1,319,707.72x = 1,979,560.86 × 478,258.12
  4. Step 4: Simplify right side
    1,319,707.72x = 946,741,055,329.18
  5. Step 5: Solve for x
    x = 946,741,055,329.18/1,319,707.72
  6. Step 6: Final answer
    x = 717,386.92

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