Home / 1,560,649.81-2,340,974.73-438,718.81

Finding the Fourth Proportional to 1,560,649.81, 2,340,974.73 and 438,718.81

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Solution

The fourth proportional to 1,560,649.81, 2,340,974.73 and 438,718.81 is: 658,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,649.81 : 2,340,974.73 = 438,718.81 : x
  2. Step 2: Convert to fraction form
    1,560,649.81/2,340,974.73 = 438,718.81/x
  3. Step 3: Cross multiply
    1,560,649.81x = 2,340,974.73 × 438,718.81
  4. Step 4: Simplify right side
    1,560,649.81x = 1,027,029,647,785.67
  5. Step 5: Solve for x
    x = 1,027,029,647,785.67/1,560,649.81
  6. Step 6: Final answer
    x = 658,078.22

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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.