Home / 1,072,085.76-1,606,026.42-621,860.76

Finding the Fourth Proportional to 1,072,085.76, 1,606,026.42 and 621,860.76

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Solution

The fourth proportional to 1,072,085.76, 1,606,026.42 and 621,860.76 is: 931,571.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,085.76 : 1,606,026.42 = 621,860.76 : x
  2. Step 2: Convert to fraction form
    1,072,085.76/1,606,026.42 = 621,860.76/x
  3. Step 3: Cross multiply
    1,072,085.76x = 1,606,026.42 × 621,860.76
  4. Step 4: Simplify right side
    1,072,085.76x = 998,724,810,121.28
  5. Step 5: Solve for x
    x = 998,724,810,121.28/1,072,085.76
  6. Step 6: Final answer
    x = 931,571.75

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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.