Home / 1,627,681.79-2,245,994.46-892,442.70

Finding the Fourth Proportional to 1,627,681.79, 2,245,994.46 and 892,442.70

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Solution

The fourth proportional to 1,627,681.79, 2,245,994.46 and 892,442.70 is: 1,231,457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,681.79 : 2,245,994.46 = 892,442.70 : x
  2. Step 2: Convert to fraction form
    1,627,681.79/2,245,994.46 = 892,442.70/x
  3. Step 3: Cross multiply
    1,627,681.79x = 2,245,994.46 × 892,442.70
  4. Step 4: Simplify right side
    1,627,681.79x = 2,004,421,360,067.44
  5. Step 5: Solve for x
    x = 2,004,421,360,067.44/1,627,681.79
  6. Step 6: Final answer
    x = 1,231,457.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.