Home / 1,413,993.96-2,120,962.25-349,045.25

Finding the Fourth Proportional to 1,413,993.96, 2,120,962.25 and 349,045.25

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Solution

The fourth proportional to 1,413,993.96, 2,120,962.25 and 349,045.25 is: 523,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,993.96 : 2,120,962.25 = 349,045.25 : x
  2. Step 2: Convert to fraction form
    1,413,993.96/2,120,962.25 = 349,045.25/x
  3. Step 3: Cross multiply
    1,413,993.96x = 2,120,962.25 × 349,045.25
  4. Step 4: Simplify right side
    1,413,993.96x = 740,311,786,441.78
  5. Step 5: Solve for x
    x = 740,311,786,441.78/1,413,993.96
  6. Step 6: Final answer
    x = 523,560.78

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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.