Home / 1,186,988.16-1,779,238.08-438,556.80

Finding the Fourth Proportional to 1,186,988.16, 1,779,238.08 and 438,556.80

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Solution

The fourth proportional to 1,186,988.16, 1,779,238.08 and 438,556.80 is: 657,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,988.16 : 1,779,238.08 = 438,556.80 : x
  2. Step 2: Convert to fraction form
    1,186,988.16/1,779,238.08 = 438,556.80/x
  3. Step 3: Cross multiply
    1,186,988.16x = 1,779,238.08 × 438,556.80
  4. Step 4: Simplify right side
    1,186,988.16x = 780,296,958,802.94
  5. Step 5: Solve for x
    x = 780,296,958,802.94/1,186,988.16
  6. Step 6: Final answer
    x = 657,375.52

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