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Finding the Fourth Proportional to 1,333,425, 1,840,126.50 and 729,813

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Solution

The fourth proportional to 1,333,425, 1,840,126.50 and 729,813 is: 1,007,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,425 : 1,840,126.50 = 729,813 : x
  2. Step 2: Convert to fraction form
    1,333,425/1,840,126.50 = 729,813/x
  3. Step 3: Cross multiply
    1,333,425x = 1,840,126.50 × 729,813
  4. Step 4: Simplify right side
    1,333,425x = 1,342,948,241,344.50
  5. Step 5: Solve for x
    x = 1,342,948,241,344.50/1,333,425
  6. Step 6: Final answer
    x = 1,007,141.94

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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.