Home / 1,109,692.86-1,531,211.95-673,883.56

Finding the Fourth Proportional to 1,109,692.86, 1,531,211.95 and 673,883.56

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Solution

The fourth proportional to 1,109,692.86, 1,531,211.95 and 673,883.56 is: 929,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,692.86 : 1,531,211.95 = 673,883.56 : x
  2. Step 2: Convert to fraction form
    1,109,692.86/1,531,211.95 = 673,883.56/x
  3. Step 3: Cross multiply
    1,109,692.86x = 1,531,211.95 × 673,883.56
  4. Step 4: Simplify right side
    1,109,692.86x = 1,031,858,552,002.17
  5. Step 5: Solve for x
    x = 1,031,858,552,002.17/1,109,692.86
  6. Step 6: Final answer
    x = 929,859.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.