Home / 1,276,889.49-1,910,603.12-1,023,401.16

Finding the Fourth Proportional to 1,276,889.49, 1,910,603.12 and 1,023,401.16

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Solution

The fourth proportional to 1,276,889.49, 1,910,603.12 and 1,023,401.16 is: 1,531,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,889.49 : 1,910,603.12 = 1,023,401.16 : x
  2. Step 2: Convert to fraction form
    1,276,889.49/1,910,603.12 = 1,023,401.16/x
  3. Step 3: Cross multiply
    1,276,889.49x = 1,910,603.12 × 1,023,401.16
  4. Step 4: Simplify right side
    1,276,889.49x = 1,955,313,451,866.12
  5. Step 5: Solve for x
    x = 1,955,313,451,866.12/1,276,889.49
  6. Step 6: Final answer
    x = 1,531,309.85

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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.