Home / 1,778,090.38-2,664,441.42-1,176,897.74

Finding the Fourth Proportional to 1,778,090.38, 2,664,441.42 and 1,176,897.74

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Solution

The fourth proportional to 1,778,090.38, 2,664,441.42 and 1,176,897.74 is: 1,763,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,090.38 : 2,664,441.42 = 1,176,897.74 : x
  2. Step 2: Convert to fraction form
    1,778,090.38/2,664,441.42 = 1,176,897.74/x
  3. Step 3: Cross multiply
    1,778,090.38x = 2,664,441.42 × 1,176,897.74
  4. Step 4: Simplify right side
    1,778,090.38x = 3,135,775,085,560.39
  5. Step 5: Solve for x
    x = 3,135,775,085,560.39/1,778,090.38
  6. Step 6: Final answer
    x = 1,763,563.38

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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.