Home / 1,339,464.48-1,848,491.76-727,641.60

Finding the Fourth Proportional to 1,339,464.48, 1,848,491.76 and 727,641.60

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Solution

The fourth proportional to 1,339,464.48, 1,848,491.76 and 727,641.60 is: 1,004,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,464.48 : 1,848,491.76 = 727,641.60 : x
  2. Step 2: Convert to fraction form
    1,339,464.48/1,848,491.76 = 727,641.60/x
  3. Step 3: Cross multiply
    1,339,464.48x = 1,848,491.76 × 727,641.60
  4. Step 4: Simplify right side
    1,339,464.48x = 1,345,039,501,833.22
  5. Step 5: Solve for x
    x = 1,345,039,501,833.22/1,339,464.48
  6. Step 6: Final answer
    x = 1,004,162.13

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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.