Home / 1,398,048.69-2,097,051.73-629,003.21

Finding the Fourth Proportional to 1,398,048.69, 2,097,051.73 and 629,003.21

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Solution

The fourth proportional to 1,398,048.69, 2,097,051.73 and 629,003.21 is: 943,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,048.69 : 2,097,051.73 = 629,003.21 : x
  2. Step 2: Convert to fraction form
    1,398,048.69/2,097,051.73 = 629,003.21/x
  3. Step 3: Cross multiply
    1,398,048.69x = 2,097,051.73 × 629,003.21
  4. Step 4: Simplify right side
    1,398,048.69x = 1,319,052,257,648.29
  5. Step 5: Solve for x
    x = 1,319,052,257,648.29/1,398,048.69
  6. Step 6: Final answer
    x = 943,495.22

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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.