Home / 1,278,430.12-1,917,146.76-479,276.02

Finding the Fourth Proportional to 1,278,430.12, 1,917,146.76 and 479,276.02

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Solution

The fourth proportional to 1,278,430.12, 1,917,146.76 and 479,276.02 is: 718,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,430.12 : 1,917,146.76 = 479,276.02 : x
  2. Step 2: Convert to fraction form
    1,278,430.12/1,917,146.76 = 479,276.02/x
  3. Step 3: Cross multiply
    1,278,430.12x = 1,917,146.76 × 479,276.02
  4. Step 4: Simplify right side
    1,278,430.12x = 918,842,468,888.70
  5. Step 5: Solve for x
    x = 918,842,468,888.70/1,278,430.12
  6. Step 6: Final answer
    x = 718,727.18

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