Home / 1,539,876.87-2,124,969.12-851,504.04

Finding the Fourth Proportional to 1,539,876.87, 2,124,969.12 and 851,504.04

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Solution

The fourth proportional to 1,539,876.87, 2,124,969.12 and 851,504.04 is: 1,175,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,876.87 : 2,124,969.12 = 851,504.04 : x
  2. Step 2: Convert to fraction form
    1,539,876.87/2,124,969.12 = 851,504.04/x
  3. Step 3: Cross multiply
    1,539,876.87x = 2,124,969.12 × 851,504.04
  4. Step 4: Simplify right side
    1,539,876.87x = 1,809,419,790,555.25
  5. Step 5: Solve for x
    x = 1,809,419,790,555.25/1,539,876.87
  6. Step 6: Final answer
    x = 1,175,041.87

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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.