Home / 1,250,398.89-1,725,552.18-677,439.09

Finding the Fourth Proportional to 1,250,398.89, 1,725,552.18 and 677,439.09

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Solution

The fourth proportional to 1,250,398.89, 1,725,552.18 and 677,439.09 is: 934,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,398.89 : 1,725,552.18 = 677,439.09 : x
  2. Step 2: Convert to fraction form
    1,250,398.89/1,725,552.18 = 677,439.09/x
  3. Step 3: Cross multiply
    1,250,398.89x = 1,725,552.18 × 677,439.09
  4. Step 4: Simplify right side
    1,250,398.89x = 1,168,956,498,566.72
  5. Step 5: Solve for x
    x = 1,168,956,498,566.72/1,250,398.89
  6. Step 6: Final answer
    x = 934,866.87

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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.