Home / 1,458,546.50-2,187,802.15-378,963.51

Finding the Fourth Proportional to 1,458,546.50, 2,187,802.15 and 378,963.51

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Solution

The fourth proportional to 1,458,546.50, 2,187,802.15 and 378,963.51 is: 568,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,546.50 : 2,187,802.15 = 378,963.51 : x
  2. Step 2: Convert to fraction form
    1,458,546.50/2,187,802.15 = 378,963.51/x
  3. Step 3: Cross multiply
    1,458,546.50x = 2,187,802.15 × 378,963.51
  4. Step 4: Simplify right side
    1,458,546.50x = 829,097,181,002.14
  5. Step 5: Solve for x
    x = 829,097,181,002.14/1,458,546.50
  6. Step 6: Final answer
    x = 568,440.69

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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.