Home / 1,298,135.53-1,791,422.63-717,342.45

Finding the Fourth Proportional to 1,298,135.53, 1,791,422.63 and 717,342.45

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Solution

The fourth proportional to 1,298,135.53, 1,791,422.63 and 717,342.45 is: 989,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,135.53 : 1,791,422.63 = 717,342.45 : x
  2. Step 2: Convert to fraction form
    1,298,135.53/1,791,422.63 = 717,342.45/x
  3. Step 3: Cross multiply
    1,298,135.53x = 1,791,422.63 × 717,342.45
  4. Step 4: Simplify right side
    1,298,135.53x = 1,285,063,490,775.13
  5. Step 5: Solve for x
    x = 1,285,063,490,775.13/1,298,135.53
  6. Step 6: Final answer
    x = 989,930.14

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