Home / 1,101,971.90-1,520,670.04-611,972.53

Finding the Fourth Proportional to 1,101,971.90, 1,520,670.04 and 611,972.53

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Solution

The fourth proportional to 1,101,971.90, 1,520,670.04 and 611,972.53 is: 844,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,971.90 : 1,520,670.04 = 611,972.53 : x
  2. Step 2: Convert to fraction form
    1,101,971.90/1,520,670.04 = 611,972.53/x
  3. Step 3: Cross multiply
    1,101,971.90x = 1,520,670.04 × 611,972.53
  4. Step 4: Simplify right side
    1,101,971.90x = 930,608,286,342.40
  5. Step 5: Solve for x
    x = 930,608,286,342.40/1,101,971.90
  6. Step 6: Final answer
    x = 844,493.66

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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.