Home / 1,021,040.86-1,531,743.69-347,086.75

Finding the Fourth Proportional to 1,021,040.86, 1,531,743.69 and 347,086.75

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Solution

The fourth proportional to 1,021,040.86, 1,531,743.69 and 347,086.75 is: 520,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,040.86 : 1,531,743.69 = 347,086.75 : x
  2. Step 2: Convert to fraction form
    1,021,040.86/1,531,743.69 = 347,086.75/x
  3. Step 3: Cross multiply
    1,021,040.86x = 1,531,743.69 × 347,086.75
  4. Step 4: Simplify right side
    1,021,040.86x = 531,647,939,195.11
  5. Step 5: Solve for x
    x = 531,647,939,195.11/1,021,040.86
  6. Step 6: Final answer
    x = 520,692.13

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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.