Home / 1,123,446.56-1,683,679.44-491,672.48

Finding the Fourth Proportional to 1,123,446.56, 1,683,679.44 and 491,672.48

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Solution

The fourth proportional to 1,123,446.56, 1,683,679.44 and 491,672.48 is: 736,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,446.56 : 1,683,679.44 = 491,672.48 : x
  2. Step 2: Convert to fraction form
    1,123,446.56/1,683,679.44 = 491,672.48/x
  3. Step 3: Cross multiply
    1,123,446.56x = 1,683,679.44 × 491,672.48
  4. Step 4: Simplify right side
    1,123,446.56x = 827,818,845,789.81
  5. Step 5: Solve for x
    x = 827,818,845,789.81/1,123,446.56
  6. Step 6: Final answer
    x = 736,856.45

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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.