Home / 1,238,926.96-1,709,511.96-729,730.72

Finding the Fourth Proportional to 1,238,926.96, 1,709,511.96 and 729,730.72

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Solution

The fourth proportional to 1,238,926.96, 1,709,511.96 and 729,730.72 is: 1,006,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,926.96 : 1,709,511.96 = 729,730.72 : x
  2. Step 2: Convert to fraction form
    1,238,926.96/1,709,511.96 = 729,730.72/x
  3. Step 3: Cross multiply
    1,238,926.96x = 1,709,511.96 × 729,730.72
  4. Step 4: Simplify right side
    1,238,926.96x = 1,247,483,393,419.41
  5. Step 5: Solve for x
    x = 1,247,483,393,419.41/1,238,926.96
  6. Step 6: Final answer
    x = 1,006,906.33

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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.