Home / 1,105,321.33-1,658,742.99-385,667.11

Finding the Fourth Proportional to 1,105,321.33, 1,658,742.99 and 385,667.11

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Solution

The fourth proportional to 1,105,321.33, 1,658,742.99 and 385,667.11 is: 578,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,321.33 : 1,658,742.99 = 385,667.11 : x
  2. Step 2: Convert to fraction form
    1,105,321.33/1,658,742.99 = 385,667.11/x
  3. Step 3: Cross multiply
    1,105,321.33x = 1,658,742.99 × 385,667.11
  4. Step 4: Simplify right side
    1,105,321.33x = 639,722,615,186.06
  5. Step 5: Solve for x
    x = 639,722,615,186.06/1,105,321.33
  6. Step 6: Final answer
    x = 578,766.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.