Home / 1,273,768.94-1,756,328.44-1,015,443.92

Finding the Fourth Proportional to 1,273,768.94, 1,756,328.44 and 1,015,443.92

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Solution

The fourth proportional to 1,273,768.94, 1,756,328.44 and 1,015,443.92 is: 1,400,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,768.94 : 1,756,328.44 = 1,015,443.92 : x
  2. Step 2: Convert to fraction form
    1,273,768.94/1,756,328.44 = 1,015,443.92/x
  3. Step 3: Cross multiply
    1,273,768.94x = 1,756,328.44 × 1,015,443.92
  4. Step 4: Simplify right side
    1,273,768.94x = 1,783,453,037,593.52
  5. Step 5: Solve for x
    x = 1,783,453,037,593.52/1,273,768.94
  6. Step 6: Final answer
    x = 1,400,138.58

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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.