Home / 1,388,857.84-2,083,453.44-490,114

Finding the Fourth Proportional to 1,388,857.84, 2,083,453.44 and 490,114

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Solution

The fourth proportional to 1,388,857.84, 2,083,453.44 and 490,114 is: 735,229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,857.84 : 2,083,453.44 = 490,114 : x
  2. Step 2: Convert to fraction form
    1,388,857.84/2,083,453.44 = 490,114/x
  3. Step 3: Cross multiply
    1,388,857.84x = 2,083,453.44 × 490,114
  4. Step 4: Simplify right side
    1,388,857.84x = 1,021,129,699,292.16
  5. Step 5: Solve for x
    x = 1,021,129,699,292.16/1,388,857.84
  6. Step 6: Final answer
    x = 735,229.82

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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.