Home / 1,617,575.20-2,232,238.32-892,428.76

Finding the Fourth Proportional to 1,617,575.20, 2,232,238.32 and 892,428.76

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Solution

The fourth proportional to 1,617,575.20, 2,232,238.32 and 892,428.76 is: 1,231,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,575.20 : 2,232,238.32 = 892,428.76 : x
  2. Step 2: Convert to fraction form
    1,617,575.20/2,232,238.32 = 892,428.76/x
  3. Step 3: Cross multiply
    1,617,575.20x = 2,232,238.32 × 892,428.76
  4. Step 4: Simplify right side
    1,617,575.20x = 1,992,113,675,942.08
  5. Step 5: Solve for x
    x = 1,992,113,675,942.08/1,617,575.20
  6. Step 6: Final answer
    x = 1,231,543.16

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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.