Home / 1,318,825.47-1,977,961.42-371,974.76

Finding the Fourth Proportional to 1,318,825.47, 1,977,961.42 and 371,974.76

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Solution

The fourth proportional to 1,318,825.47, 1,977,961.42 and 371,974.76 is: 557,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,825.47 : 1,977,961.42 = 371,974.76 : x
  2. Step 2: Convert to fraction form
    1,318,825.47/1,977,961.42 = 371,974.76/x
  3. Step 3: Cross multiply
    1,318,825.47x = 1,977,961.42 × 371,974.76
  4. Step 4: Simplify right side
    1,318,825.47x = 735,751,724,493.76
  5. Step 5: Solve for x
    x = 735,751,724,493.76/1,318,825.47
  6. Step 6: Final answer
    x = 557,884.07

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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.