Home / 1,408,622-2,113,097.32-510,486.80

Finding the Fourth Proportional to 1,408,622, 2,113,097.32 and 510,486.80

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Solution

The fourth proportional to 1,408,622, 2,113,097.32 and 510,486.80 is: 765,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,622 : 2,113,097.32 = 510,486.80 : x
  2. Step 2: Convert to fraction form
    1,408,622/2,113,097.32 = 510,486.80/x
  3. Step 3: Cross multiply
    1,408,622x = 2,113,097.32 × 510,486.80
  4. Step 4: Simplify right side
    1,408,622x = 1,078,708,288,975.38
  5. Step 5: Solve for x
    x = 1,078,708,288,975.38/1,408,622
  6. Step 6: Final answer
    x = 765,789.75

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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.