Home / 1,501,745.76-2,072,557.76-857,262.80

Finding the Fourth Proportional to 1,501,745.76, 2,072,557.76 and 857,262.80

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Solution

The fourth proportional to 1,501,745.76, 2,072,557.76 and 857,262.80 is: 1,183,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,745.76 : 2,072,557.76 = 857,262.80 : x
  2. Step 2: Convert to fraction form
    1,501,745.76/2,072,557.76 = 857,262.80/x
  3. Step 3: Cross multiply
    1,501,745.76x = 2,072,557.76 × 857,262.80
  4. Step 4: Simplify right side
    1,501,745.76x = 1,776,726,668,499.33
  5. Step 5: Solve for x
    x = 1,776,726,668,499.33/1,501,745.76
  6. Step 6: Final answer
    x = 1,183,107.50

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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.