Home / 1,285,979.66-1,774,292.64-1,013,200.82

Finding the Fourth Proportional to 1,285,979.66, 1,774,292.64 and 1,013,200.82

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Solution

The fourth proportional to 1,285,979.66, 1,774,292.64 and 1,013,200.82 is: 1,397,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,979.66 : 1,774,292.64 = 1,013,200.82 : x
  2. Step 2: Convert to fraction form
    1,285,979.66/1,774,292.64 = 1,013,200.82/x
  3. Step 3: Cross multiply
    1,285,979.66x = 1,774,292.64 × 1,013,200.82
  4. Step 4: Simplify right side
    1,285,979.66x = 1,797,714,757,767.96
  5. Step 5: Solve for x
    x = 1,797,714,757,767.96/1,285,979.66
  6. Step 6: Final answer
    x = 1,397,934.05

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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.