Home / 1,780,355.77-2,456,887.64-964,579.73

Finding the Fourth Proportional to 1,780,355.77, 2,456,887.64 and 964,579.73

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Solution

The fourth proportional to 1,780,355.77, 2,456,887.64 and 964,579.73 is: 1,331,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,355.77 : 2,456,887.64 = 964,579.73 : x
  2. Step 2: Convert to fraction form
    1,780,355.77/2,456,887.64 = 964,579.73/x
  3. Step 3: Cross multiply
    1,780,355.77x = 2,456,887.64 × 964,579.73
  4. Step 4: Simplify right side
    1,780,355.77x = 2,369,863,999,324.20
  5. Step 5: Solve for x
    x = 2,369,863,999,324.20/1,780,355.77
  6. Step 6: Final answer
    x = 1,331,118.22

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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.