Home / 1,333,449.94-1,840,153.86-721,602.34

Finding the Fourth Proportional to 1,333,449.94, 1,840,153.86 and 721,602.34

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Solution

The fourth proportional to 1,333,449.94, 1,840,153.86 and 721,602.34 is: 995,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,449.94 : 1,840,153.86 = 721,602.34 : x
  2. Step 2: Convert to fraction form
    1,333,449.94/1,840,153.86 = 721,602.34/x
  3. Step 3: Cross multiply
    1,333,449.94x = 1,840,153.86 × 721,602.34
  4. Step 4: Simplify right side
    1,333,449.94x = 1,327,859,331,336.03
  5. Step 5: Solve for x
    x = 1,327,859,331,336.03/1,333,449.94
  6. Step 6: Final answer
    x = 995,807.41

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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.