Home / 1,356,631.69-1,872,173.67-744,840.85

Finding the Fourth Proportional to 1,356,631.69, 1,872,173.67 and 744,840.85

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Solution

The fourth proportional to 1,356,631.69, 1,872,173.67 and 744,840.85 is: 1,027,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,631.69 : 1,872,173.67 = 744,840.85 : x
  2. Step 2: Convert to fraction form
    1,356,631.69/1,872,173.67 = 744,840.85/x
  3. Step 3: Cross multiply
    1,356,631.69x = 1,872,173.67 × 744,840.85
  4. Step 4: Simplify right side
    1,356,631.69x = 1,394,471,427,710.42
  5. Step 5: Solve for x
    x = 1,394,471,427,710.42/1,356,631.69
  6. Step 6: Final answer
    x = 1,027,892.42

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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.