Home / 948,489.68-1,421,511.78-826,415.39

Finding the Fourth Proportional to 948,489.68, 1,421,511.78 and 826,415.39

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Solution

The fourth proportional to 948,489.68, 1,421,511.78 and 826,415.39 is: 1,238,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,489.68 : 1,421,511.78 = 826,415.39 : x
  2. Step 2: Convert to fraction form
    948,489.68/1,421,511.78 = 826,415.39/x
  3. Step 3: Cross multiply
    948,489.68x = 1,421,511.78 × 826,415.39
  4. Step 4: Simplify right side
    948,489.68x = 1,174,759,212,058.29
  5. Step 5: Solve for x
    x = 1,174,759,212,058.29/948,489.68
  6. Step 6: Final answer
    x = 1,238,557.72

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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.