Home / 1,259,369.32-1,737,930.98-686,409.96

Finding the Fourth Proportional to 1,259,369.32, 1,737,930.98 and 686,409.96

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Solution

The fourth proportional to 1,259,369.32, 1,737,930.98 and 686,409.96 is: 947,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,369.32 : 1,737,930.98 = 686,409.96 : x
  2. Step 2: Convert to fraction form
    1,259,369.32/1,737,930.98 = 686,409.96/x
  3. Step 3: Cross multiply
    1,259,369.32x = 1,737,930.98 × 686,409.96
  4. Step 4: Simplify right side
    1,259,369.32x = 1,192,933,134,464.56
  5. Step 5: Solve for x
    x = 1,192,933,134,464.56/1,259,369.32
  6. Step 6: Final answer
    x = 947,246.46

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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.