Home / 1,436,626.40-2,154,939.60-798,897.20

Finding the Fourth Proportional to 1,436,626.40, 2,154,939.60 and 798,897.20

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Solution

The fourth proportional to 1,436,626.40, 2,154,939.60 and 798,897.20 is: 1,198,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,626.40 : 2,154,939.60 = 798,897.20 : x
  2. Step 2: Convert to fraction form
    1,436,626.40/2,154,939.60 = 798,897.20/x
  3. Step 3: Cross multiply
    1,436,626.40x = 2,154,939.60 × 798,897.20
  4. Step 4: Simplify right side
    1,436,626.40x = 1,721,575,212,609.12
  5. Step 5: Solve for x
    x = 1,721,575,212,609.12/1,436,626.40
  6. Step 6: Final answer
    x = 1,198,345.80

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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.