Home / 1,070,564.85-1,605,850.11-361,090.71

Finding the Fourth Proportional to 1,070,564.85, 1,605,850.11 and 361,090.71

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Solution

The fourth proportional to 1,070,564.85, 1,605,850.11 and 361,090.71 is: 541,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,564.85 : 1,605,850.11 = 361,090.71 : x
  2. Step 2: Convert to fraction form
    1,070,564.85/1,605,850.11 = 361,090.71/x
  3. Step 3: Cross multiply
    1,070,564.85x = 1,605,850.11 × 361,090.71
  4. Step 4: Simplify right side
    1,070,564.85x = 579,857,556,373.48
  5. Step 5: Solve for x
    x = 579,857,556,373.48/1,070,564.85
  6. Step 6: Final answer
    x = 541,637.02

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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.