Home / 1,226,236.60-1,692,353.82-742,787.56

Finding the Fourth Proportional to 1,226,236.60, 1,692,353.82 and 742,787.56

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Solution

The fourth proportional to 1,226,236.60, 1,692,353.82 and 742,787.56 is: 1,025,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,236.60 : 1,692,353.82 = 742,787.56 : x
  2. Step 2: Convert to fraction form
    1,226,236.60/1,692,353.82 = 742,787.56/x
  3. Step 3: Cross multiply
    1,226,236.60x = 1,692,353.82 × 742,787.56
  4. Step 4: Simplify right side
    1,226,236.60x = 1,257,059,364,614.48
  5. Step 5: Solve for x
    x = 1,257,059,364,614.48/1,226,236.60
  6. Step 6: Final answer
    x = 1,025,136.07

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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.