Home / 1,238,148-1,708,644.24-729,163.44

Finding the Fourth Proportional to 1,238,148, 1,708,644.24 and 729,163.44

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Solution

The fourth proportional to 1,238,148, 1,708,644.24 and 729,163.44 is: 1,006,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,148 : 1,708,644.24 = 729,163.44 : x
  2. Step 2: Convert to fraction form
    1,238,148/1,708,644.24 = 729,163.44/x
  3. Step 3: Cross multiply
    1,238,148x = 1,708,644.24 × 729,163.44
  4. Step 4: Simplify right side
    1,238,148x = 1,245,880,911,774.59
  5. Step 5: Solve for x
    x = 1,245,880,911,774.59/1,238,148
  6. Step 6: Final answer
    x = 1,006,245.55

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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.