Home / 990,387.28-1,485,011.18-528,195.11

Finding the Fourth Proportional to 990,387.28, 1,485,011.18 and 528,195.11

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Solution

The fourth proportional to 990,387.28, 1,485,011.18 and 528,195.11 is: 791,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,387.28 : 1,485,011.18 = 528,195.11 : x
  2. Step 2: Convert to fraction form
    990,387.28/1,485,011.18 = 528,195.11/x
  3. Step 3: Cross multiply
    990,387.28x = 1,485,011.18 × 528,195.11
  4. Step 4: Simplify right side
    990,387.28x = 784,375,637,466.76
  5. Step 5: Solve for x
    x = 784,375,637,466.76/990,387.28
  6. Step 6: Final answer
    x = 791,988.81

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