Home / 1,054,940.40-1,582,410.60-345,040.20

Finding the Fourth Proportional to 1,054,940.40, 1,582,410.60 and 345,040.20

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Solution

The fourth proportional to 1,054,940.40, 1,582,410.60 and 345,040.20 is: 517,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,940.40 : 1,582,410.60 = 345,040.20 : x
  2. Step 2: Convert to fraction form
    1,054,940.40/1,582,410.60 = 345,040.20/x
  3. Step 3: Cross multiply
    1,054,940.40x = 1,582,410.60 × 345,040.20
  4. Step 4: Simplify right side
    1,054,940.40x = 545,995,269,906.12
  5. Step 5: Solve for x
    x = 545,995,269,906.12/1,054,940.40
  6. Step 6: Final answer
    x = 517,560.30

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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.