Home / 1,313,003.28-1,812,466.44-1,128,511.74

Finding the Fourth Proportional to 1,313,003.28, 1,812,466.44 and 1,128,511.74

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Solution

The fourth proportional to 1,313,003.28, 1,812,466.44 and 1,128,511.74 is: 1,557,794.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,003.28 : 1,812,466.44 = 1,128,511.74 : x
  2. Step 2: Convert to fraction form
    1,313,003.28/1,812,466.44 = 1,128,511.74/x
  3. Step 3: Cross multiply
    1,313,003.28x = 1,812,466.44 × 1,128,511.74
  4. Step 4: Simplify right side
    1,313,003.28x = 2,045,389,655,896.01
  5. Step 5: Solve for x
    x = 2,045,389,655,896.01/1,313,003.28
  6. Step 6: Final answer
    x = 1,557,794.78

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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.