Home / 1,248,651.72-1,873,059.66-438,937.92

Finding the Fourth Proportional to 1,248,651.72, 1,873,059.66 and 438,937.92

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Solution

The fourth proportional to 1,248,651.72, 1,873,059.66 and 438,937.92 is: 658,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,651.72 : 1,873,059.66 = 438,937.92 : x
  2. Step 2: Convert to fraction form
    1,248,651.72/1,873,059.66 = 438,937.92/x
  3. Step 3: Cross multiply
    1,248,651.72x = 1,873,059.66 × 438,937.92
  4. Step 4: Simplify right side
    1,248,651.72x = 822,156,911,196.31
  5. Step 5: Solve for x
    x = 822,156,911,196.31/1,248,651.72
  6. Step 6: Final answer
    x = 658,435.73

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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.