Home / 1,130,145.30-1,695,436.65-331,452.90

Finding the Fourth Proportional to 1,130,145.30, 1,695,436.65 and 331,452.90

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Solution

The fourth proportional to 1,130,145.30, 1,695,436.65 and 331,452.90 is: 497,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,145.30 : 1,695,436.65 = 331,452.90 : x
  2. Step 2: Convert to fraction form
    1,130,145.30/1,695,436.65 = 331,452.90/x
  3. Step 3: Cross multiply
    1,130,145.30x = 1,695,436.65 × 331,452.90
  4. Step 4: Simplify right side
    1,130,145.30x = 561,957,394,408.79
  5. Step 5: Solve for x
    x = 561,957,394,408.79/1,130,145.30
  6. Step 6: Final answer
    x = 497,243.49

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Double scale
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1.5x scale

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.