Home / 1,402,005.78-2,107,398.92-925,297.34

Finding the Fourth Proportional to 1,402,005.78, 2,107,398.92 and 925,297.34

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Solution

The fourth proportional to 1,402,005.78, 2,107,398.92 and 925,297.34 is: 1,390,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,005.78 : 2,107,398.92 = 925,297.34 : x
  2. Step 2: Convert to fraction form
    1,402,005.78/2,107,398.92 = 925,297.34/x
  3. Step 3: Cross multiply
    1,402,005.78x = 2,107,398.92 × 925,297.34
  4. Step 4: Simplify right side
    1,402,005.78x = 1,949,970,599,831.39
  5. Step 5: Solve for x
    x = 1,949,970,599,831.39/1,402,005.78
  6. Step 6: Final answer
    x = 1,390,843.48

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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.