Home / 1,251,387-1,728,339.66-848,279.16

Finding the Fourth Proportional to 1,251,387, 1,728,339.66 and 848,279.16

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Solution

The fourth proportional to 1,251,387, 1,728,339.66 and 848,279.16 is: 1,171,591.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,387 : 1,728,339.66 = 848,279.16 : x
  2. Step 2: Convert to fraction form
    1,251,387/1,728,339.66 = 848,279.16/x
  3. Step 3: Cross multiply
    1,251,387x = 1,728,339.66 × 848,279.16
  4. Step 4: Simplify right side
    1,251,387x = 1,466,114,514,979.49
  5. Step 5: Solve for x
    x = 1,466,114,514,979.49/1,251,387
  6. Step 6: Final answer
    x = 1,171,591.61

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1.5x scale

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.