Home / 1,236,979.34-1,852,318.64-814,975.82

Finding the Fourth Proportional to 1,236,979.34, 1,852,318.64 and 814,975.82

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Solution

The fourth proportional to 1,236,979.34, 1,852,318.64 and 814,975.82 is: 1,220,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,979.34 : 1,852,318.64 = 814,975.82 : x
  2. Step 2: Convert to fraction form
    1,236,979.34/1,852,318.64 = 814,975.82/x
  3. Step 3: Cross multiply
    1,236,979.34x = 1,852,318.64 × 814,975.82
  4. Step 4: Simplify right side
    1,236,979.34x = 1,509,594,902,535.28
  5. Step 5: Solve for x
    x = 1,509,594,902,535.28/1,236,979.34
  6. Step 6: Final answer
    x = 1,220,388.13

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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.