Home / 1,437,938.73-2,156,908.82-491,318.73

Finding the Fourth Proportional to 1,437,938.73, 2,156,908.82 and 491,318.73

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Solution

The fourth proportional to 1,437,938.73, 2,156,908.82 and 491,318.73 is: 736,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,938.73 : 2,156,908.82 = 491,318.73 : x
  2. Step 2: Convert to fraction form
    1,437,938.73/2,156,908.82 = 491,318.73/x
  3. Step 3: Cross multiply
    1,437,938.73x = 2,156,908.82 × 491,318.73
  4. Step 4: Simplify right side
    1,437,938.73x = 1,059,729,699,711.60
  5. Step 5: Solve for x
    x = 1,059,729,699,711.60/1,437,938.73
  6. Step 6: Final answer
    x = 736,978.34

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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.