Home / 808,590.40-1,212,885.60-798,092.80

Finding the Fourth Proportional to 808,590.40, 1,212,885.60 and 798,092.80

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Solution

The fourth proportional to 808,590.40, 1,212,885.60 and 798,092.80 is: 1,197,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,590.40 : 1,212,885.60 = 798,092.80 : x
  2. Step 2: Convert to fraction form
    808,590.40/1,212,885.60 = 798,092.80/x
  3. Step 3: Cross multiply
    808,590.40x = 1,212,885.60 × 798,092.80
  4. Step 4: Simplify right side
    808,590.40x = 967,995,264,583.68
  5. Step 5: Solve for x
    x = 967,995,264,583.68/808,590.40
  6. Step 6: Final answer
    x = 1,197,139.20

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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.