Home / 1,521,498.47-2,099,668.03-842,434.97

Finding the Fourth Proportional to 1,521,498.47, 2,099,668.03 and 842,434.97

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Solution

The fourth proportional to 1,521,498.47, 2,099,668.03 and 842,434.97 is: 1,162,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,498.47 : 2,099,668.03 = 842,434.97 : x
  2. Step 2: Convert to fraction form
    1,521,498.47/2,099,668.03 = 842,434.97/x
  3. Step 3: Cross multiply
    1,521,498.47x = 2,099,668.03 × 842,434.97
  4. Step 4: Simplify right side
    1,521,498.47x = 1,768,833,761,258.58
  5. Step 5: Solve for x
    x = 1,768,833,761,258.58/1,521,498.47
  6. Step 6: Final answer
    x = 1,162,560.33

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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.