Home / 1,090,679.68-1,636,766.90-380,707.80

Finding the Fourth Proportional to 1,090,679.68, 1,636,766.90 and 380,707.80

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Solution

The fourth proportional to 1,090,679.68, 1,636,766.90 and 380,707.80 is: 571,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,679.68 : 1,636,766.90 = 380,707.80 : x
  2. Step 2: Convert to fraction form
    1,090,679.68/1,636,766.90 = 380,707.80/x
  3. Step 3: Cross multiply
    1,090,679.68x = 1,636,766.90 × 380,707.80
  4. Step 4: Simplify right side
    1,090,679.68x = 623,129,918,998.06
  5. Step 5: Solve for x
    x = 623,129,918,998.06/1,090,679.68
  6. Step 6: Final answer
    x = 571,322.57

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