Home / 1,395,831.15-2,084,291.36-1,108,295.31

Finding the Fourth Proportional to 1,395,831.15, 2,084,291.36 and 1,108,295.31

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Solution

The fourth proportional to 1,395,831.15, 2,084,291.36 and 1,108,295.31 is: 1,654,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,831.15 : 2,084,291.36 = 1,108,295.31 : x
  2. Step 2: Convert to fraction form
    1,395,831.15/2,084,291.36 = 1,108,295.31/x
  3. Step 3: Cross multiply
    1,395,831.15x = 2,084,291.36 × 1,108,295.31
  4. Step 4: Simplify right side
    1,395,831.15x = 2,310,010,333,420.05
  5. Step 5: Solve for x
    x = 2,310,010,333,420.05/1,395,831.15
  6. Step 6: Final answer
    x = 1,654,935.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.