Home / 1,112,961.21-1,669,470.56-303,352.28

Finding the Fourth Proportional to 1,112,961.21, 1,669,470.56 and 303,352.28

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Solution

The fourth proportional to 1,112,961.21, 1,669,470.56 and 303,352.28 is: 455,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,961.21 : 1,669,470.56 = 303,352.28 : x
  2. Step 2: Convert to fraction form
    1,112,961.21/1,669,470.56 = 303,352.28/x
  3. Step 3: Cross multiply
    1,112,961.21x = 1,669,470.56 × 303,352.28
  4. Step 4: Simplify right side
    1,112,961.21x = 506,437,700,768.88
  5. Step 5: Solve for x
    x = 506,437,700,768.88/1,112,961.21
  6. Step 6: Final answer
    x = 455,036.25

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Double scale
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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.