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Finding the Fourth Proportional to 1,569,462.56, 2,353,596.30 and 929,946.80

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Solution

The fourth proportional to 1,569,462.56, 2,353,596.30 and 929,946.80 is: 1,394,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,462.56 : 2,353,596.30 = 929,946.80 : x
  2. Step 2: Convert to fraction form
    1,569,462.56/2,353,596.30 = 929,946.80/x
  3. Step 3: Cross multiply
    1,569,462.56x = 2,353,596.30 × 929,946.80
  4. Step 4: Simplify right side
    1,569,462.56x = 2,188,719,347,676.84
  5. Step 5: Solve for x
    x = 2,188,719,347,676.84/1,569,462.56
  6. Step 6: Final answer
    x = 1,394,566.14

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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.