Home / 1,138,448.94-1,707,421.97-328,657.38

Finding the Fourth Proportional to 1,138,448.94, 1,707,421.97 and 328,657.38

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Solution

The fourth proportional to 1,138,448.94, 1,707,421.97 and 328,657.38 is: 492,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,448.94 : 1,707,421.97 = 328,657.38 : x
  2. Step 2: Convert to fraction form
    1,138,448.94/1,707,421.97 = 328,657.38/x
  3. Step 3: Cross multiply
    1,138,448.94x = 1,707,421.97 × 328,657.38
  4. Step 4: Simplify right side
    1,138,448.94x = 561,156,829,571.35
  5. Step 5: Solve for x
    x = 561,156,829,571.35/1,138,448.94
  6. Step 6: Final answer
    x = 492,913.48

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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.