Home / 1,198,765.40-1,798,268.36-345,858.17

Finding the Fourth Proportional to 1,198,765.40, 1,798,268.36 and 345,858.17

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Solution

The fourth proportional to 1,198,765.40, 1,798,268.36 and 345,858.17 is: 518,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,765.40 : 1,798,268.36 = 345,858.17 : x
  2. Step 2: Convert to fraction form
    1,198,765.40/1,798,268.36 = 345,858.17/x
  3. Step 3: Cross multiply
    1,198,765.40x = 1,798,268.36 × 345,858.17
  4. Step 4: Simplify right side
    1,198,765.40x = 621,945,804,158.50
  5. Step 5: Solve for x
    x = 621,945,804,158.50/1,198,765.40
  6. Step 6: Final answer
    x = 518,821.95

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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.