Home / 1,208,047.93-1,809,652.83-728,008.72

Finding the Fourth Proportional to 1,208,047.93, 1,809,652.83 and 728,008.72

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Solution

The fourth proportional to 1,208,047.93, 1,809,652.83 and 728,008.72 is: 1,090,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,047.93 : 1,809,652.83 = 728,008.72 : x
  2. Step 2: Convert to fraction form
    1,208,047.93/1,809,652.83 = 728,008.72/x
  3. Step 3: Cross multiply
    1,208,047.93x = 1,809,652.83 × 728,008.72
  4. Step 4: Simplify right side
    1,208,047.93x = 1,317,443,040,412.68
  5. Step 5: Solve for x
    x = 1,317,443,040,412.68/1,208,047.93
  6. Step 6: Final answer
    x = 1,090,555.27

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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.