Home / 1,039,647.38-1,559,469.98-391,344.66

Finding the Fourth Proportional to 1,039,647.38, 1,559,469.98 and 391,344.66

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Solution

The fourth proportional to 1,039,647.38, 1,559,469.98 and 391,344.66 is: 587,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,647.38 : 1,559,469.98 = 391,344.66 : x
  2. Step 2: Convert to fraction form
    1,039,647.38/1,559,469.98 = 391,344.66/x
  3. Step 3: Cross multiply
    1,039,647.38x = 1,559,469.98 × 391,344.66
  4. Step 4: Simplify right side
    1,039,647.38x = 610,290,249,103.31
  5. Step 5: Solve for x
    x = 610,290,249,103.31/1,039,647.38
  6. Step 6: Final answer
    x = 587,016.58

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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.