Home / 1,375,756.40-2,065,602.90-978,159.80

Finding the Fourth Proportional to 1,375,756.40, 2,065,602.90 and 978,159.80

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Solution

The fourth proportional to 1,375,756.40, 2,065,602.90 and 978,159.80 is: 1,468,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,756.40 : 2,065,602.90 = 978,159.80 : x
  2. Step 2: Convert to fraction form
    1,375,756.40/2,065,602.90 = 978,159.80/x
  3. Step 3: Cross multiply
    1,375,756.40x = 2,065,602.90 × 978,159.80
  4. Step 4: Simplify right side
    1,375,756.40x = 2,020,489,719,543.42
  5. Step 5: Solve for x
    x = 2,020,489,719,543.42/1,375,756.40
  6. Step 6: Final answer
    x = 1,468,639.16

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