Home / 1,318,830.05-1,977,968.25-371,979.33

Finding the Fourth Proportional to 1,318,830.05, 1,977,968.25 and 371,979.33

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Solution

The fourth proportional to 1,318,830.05, 1,977,968.25 and 371,979.33 is: 557,890.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,830.05 : 1,977,968.25 = 371,979.33 : x
  2. Step 2: Convert to fraction form
    1,318,830.05/1,977,968.25 = 371,979.33/x
  3. Step 3: Cross multiply
    1,318,830.05x = 1,977,968.25 × 371,979.33
  4. Step 4: Simplify right side
    1,318,830.05x = 735,763,304,396.27
  5. Step 5: Solve for x
    x = 735,763,304,396.27/1,318,830.05
  6. Step 6: Final answer
    x = 557,890.92

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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.