Home / 1,170,849.55-1,615,180.62-783,681.16

Finding the Fourth Proportional to 1,170,849.55, 1,615,180.62 and 783,681.16

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Solution

The fourth proportional to 1,170,849.55, 1,615,180.62 and 783,681.16 is: 1,081,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,849.55 : 1,615,180.62 = 783,681.16 : x
  2. Step 2: Convert to fraction form
    1,170,849.55/1,615,180.62 = 783,681.16/x
  3. Step 3: Cross multiply
    1,170,849.55x = 1,615,180.62 × 783,681.16
  4. Step 4: Simplify right side
    1,170,849.55x = 1,265,786,621,891.12
  5. Step 5: Solve for x
    x = 1,265,786,621,891.12/1,170,849.55
  6. Step 6: Final answer
    x = 1,081,083.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.