Home / 1,333,996.10-1,840,912.55-722,148.70

Finding the Fourth Proportional to 1,333,996.10, 1,840,912.55 and 722,148.70

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Solution

The fourth proportional to 1,333,996.10, 1,840,912.55 and 722,148.70 is: 996,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,996.10 : 1,840,912.55 = 722,148.70 : x
  2. Step 2: Convert to fraction form
    1,333,996.10/1,840,912.55 = 722,148.70/x
  3. Step 3: Cross multiply
    1,333,996.10x = 1,840,912.55 × 722,148.70
  4. Step 4: Simplify right side
    1,333,996.10x = 1,329,412,607,529.82
  5. Step 5: Solve for x
    x = 1,329,412,607,529.82/1,333,996.10
  6. Step 6: Final answer
    x = 996,564.09

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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.