Home / 1,299,409.80-1,793,189.52-726,450

Finding the Fourth Proportional to 1,299,409.80, 1,793,189.52 and 726,450

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Solution

The fourth proportional to 1,299,409.80, 1,793,189.52 and 726,450 is: 1,002,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,409.80 : 1,793,189.52 = 726,450 : x
  2. Step 2: Convert to fraction form
    1,299,409.80/1,793,189.52 = 726,450/x
  3. Step 3: Cross multiply
    1,299,409.80x = 1,793,189.52 × 726,450
  4. Step 4: Simplify right side
    1,299,409.80x = 1,302,662,526,804
  5. Step 5: Solve for x
    x = 1,302,662,526,804/1,299,409.80
  6. Step 6: Final answer
    x = 1,002,503.23

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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.