Home / 1,403,488.72-1,936,813.04-758,907.44

Finding the Fourth Proportional to 1,403,488.72, 1,936,813.04 and 758,907.44

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Solution

The fourth proportional to 1,403,488.72, 1,936,813.04 and 758,907.44 is: 1,047,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,488.72 : 1,936,813.04 = 758,907.44 : x
  2. Step 2: Convert to fraction form
    1,403,488.72/1,936,813.04 = 758,907.44/x
  3. Step 3: Cross multiply
    1,403,488.72x = 1,936,813.04 × 758,907.44
  4. Step 4: Simplify right side
    1,403,488.72x = 1,469,861,825,945.02
  5. Step 5: Solve for x
    x = 1,469,861,825,945.02/1,403,488.72
  6. Step 6: Final answer
    x = 1,047,291.51

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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.