Home / 1,207,137.71-1,809,445.39-886,813.29

Finding the Fourth Proportional to 1,207,137.71, 1,809,445.39 and 886,813.29

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Solution

The fourth proportional to 1,207,137.71, 1,809,445.39 and 886,813.29 is: 1,329,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,137.71 : 1,809,445.39 = 886,813.29 : x
  2. Step 2: Convert to fraction form
    1,207,137.71/1,809,445.39 = 886,813.29/x
  3. Step 3: Cross multiply
    1,207,137.71x = 1,809,445.39 × 886,813.29
  4. Step 4: Simplify right side
    1,207,137.71x = 1,604,640,219,381.23
  5. Step 5: Solve for x
    x = 1,604,640,219,381.23/1,207,137.71
  6. Step 6: Final answer
    x = 1,329,293.42

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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.