Home / 1,336,387.34-1,844,208.71-724,538.21

Finding the Fourth Proportional to 1,336,387.34, 1,844,208.71 and 724,538.21

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Solution

The fourth proportional to 1,336,387.34, 1,844,208.71 and 724,538.21 is: 999,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,387.34 : 1,844,208.71 = 724,538.21 : x
  2. Step 2: Convert to fraction form
    1,336,387.34/1,844,208.71 = 724,538.21/x
  3. Step 3: Cross multiply
    1,336,387.34x = 1,844,208.71 × 724,538.21
  4. Step 4: Simplify right side
    1,336,387.34x = 1,336,199,664,766.07
  5. Step 5: Solve for x
    x = 1,336,199,664,766.07/1,336,387.34
  6. Step 6: Final answer
    x = 999,859.57

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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.