Home / 973,123.76-1,342,912.68-543,402.56

Finding the Fourth Proportional to 973,123.76, 1,342,912.68 and 543,402.56

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Solution

The fourth proportional to 973,123.76, 1,342,912.68 and 543,402.56 is: 749,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,123.76 : 1,342,912.68 = 543,402.56 : x
  2. Step 2: Convert to fraction form
    973,123.76/1,342,912.68 = 543,402.56/x
  3. Step 3: Cross multiply
    973,123.76x = 1,342,912.68 × 543,402.56
  4. Step 4: Simplify right side
    973,123.76x = 729,742,188,168.46
  5. Step 5: Solve for x
    x = 729,742,188,168.46/973,123.76
  6. Step 6: Final answer
    x = 749,896.59

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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.