Home / 1,217,538.94-1,680,879.46-734,226.52

Finding the Fourth Proportional to 1,217,538.94, 1,680,879.46 and 734,226.52

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Solution

The fourth proportional to 1,217,538.94, 1,680,879.46 and 734,226.52 is: 1,013,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,538.94 : 1,680,879.46 = 734,226.52 : x
  2. Step 2: Convert to fraction form
    1,217,538.94/1,680,879.46 = 734,226.52/x
  3. Step 3: Cross multiply
    1,217,538.94x = 1,680,879.46 × 734,226.52
  4. Step 4: Simplify right side
    1,217,538.94x = 1,234,146,276,455.28
  5. Step 5: Solve for x
    x = 1,234,146,276,455.28/1,217,538.94
  6. Step 6: Final answer
    x = 1,013,640.09

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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.