Home / 1,317,933.62-1,818,916.83-737,189.02

Finding the Fourth Proportional to 1,317,933.62, 1,818,916.83 and 737,189.02

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Solution

The fourth proportional to 1,317,933.62, 1,818,916.83 and 737,189.02 is: 1,017,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,933.62 : 1,818,916.83 = 737,189.02 : x
  2. Step 2: Convert to fraction form
    1,317,933.62/1,818,916.83 = 737,189.02/x
  3. Step 3: Cross multiply
    1,317,933.62x = 1,818,916.83 × 737,189.02
  4. Step 4: Simplify right side
    1,317,933.62x = 1,340,885,511,683.26
  5. Step 5: Solve for x
    x = 1,340,885,511,683.26/1,317,933.62
  6. Step 6: Final answer
    x = 1,017,415.06

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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.