Home / 1,446,843-2,170,053.21-421,897.85

Finding the Fourth Proportional to 1,446,843, 2,170,053.21 and 421,897.85

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Solution

The fourth proportional to 1,446,843, 2,170,053.21 and 421,897.85 is: 632,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,843 : 2,170,053.21 = 421,897.85 : x
  2. Step 2: Convert to fraction form
    1,446,843/2,170,053.21 = 421,897.85/x
  3. Step 3: Cross multiply
    1,446,843x = 2,170,053.21 × 421,897.85
  4. Step 4: Simplify right side
    1,446,843x = 915,540,783,684.60
  5. Step 5: Solve for x
    x = 915,540,783,684.60/1,446,843
  6. Step 6: Final answer
    x = 632,785.16

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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.