Home / 1,631,691.51-2,446,845.22-777,775.33

Finding the Fourth Proportional to 1,631,691.51, 2,446,845.22 and 777,775.33

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Solution

The fourth proportional to 1,631,691.51, 2,446,845.22 and 777,775.33 is: 1,166,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,691.51 : 2,446,845.22 = 777,775.33 : x
  2. Step 2: Convert to fraction form
    1,631,691.51/2,446,845.22 = 777,775.33/x
  3. Step 3: Cross multiply
    1,631,691.51x = 2,446,845.22 × 777,775.33
  4. Step 4: Simplify right side
    1,631,691.51x = 1,903,095,848,444.42
  5. Step 5: Solve for x
    x = 1,903,095,848,444.42/1,631,691.51
  6. Step 6: Final answer
    x = 1,166,333.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.