Home / 1,362,959.62-1,880,840.16-782,278.32

Finding the Fourth Proportional to 1,362,959.62, 1,880,840.16 and 782,278.32

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Solution

The fourth proportional to 1,362,959.62, 1,880,840.16 and 782,278.32 is: 1,079,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,959.62 : 1,880,840.16 = 782,278.32 : x
  2. Step 2: Convert to fraction form
    1,362,959.62/1,880,840.16 = 782,278.32/x
  3. Step 3: Cross multiply
    1,362,959.62x = 1,880,840.16 × 782,278.32
  4. Step 4: Simplify right side
    1,362,959.62x = 1,471,340,480,553.33
  5. Step 5: Solve for x
    x = 1,471,340,480,553.33/1,362,959.62
  6. Step 6: Final answer
    x = 1,079,518.76

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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.