Home / 1,084,005.40-1,622,897.70-664,101.40

Finding the Fourth Proportional to 1,084,005.40, 1,622,897.70 and 664,101.40

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Solution

The fourth proportional to 1,084,005.40, 1,622,897.70 and 664,101.40 is: 994,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,005.40 : 1,622,897.70 = 664,101.40 : x
  2. Step 2: Convert to fraction form
    1,084,005.40/1,622,897.70 = 664,101.40/x
  3. Step 3: Cross multiply
    1,084,005.40x = 1,622,897.70 × 664,101.40
  4. Step 4: Simplify right side
    1,084,005.40x = 1,077,768,634,626.78
  5. Step 5: Solve for x
    x = 1,077,768,634,626.78/1,084,005.40
  6. Step 6: Final answer
    x = 994,246.56

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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.