Home / 1,389,455.05-2,083,093.80-548,636.17

Finding the Fourth Proportional to 1,389,455.05, 2,083,093.80 and 548,636.17

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Solution

The fourth proportional to 1,389,455.05, 2,083,093.80 and 548,636.17 is: 822,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,455.05 : 2,083,093.80 = 548,636.17 : x
  2. Step 2: Convert to fraction form
    1,389,455.05/2,083,093.80 = 548,636.17/x
  3. Step 3: Cross multiply
    1,389,455.05x = 2,083,093.80 × 548,636.17
  4. Step 4: Simplify right side
    1,389,455.05x = 1,142,860,604,182.75
  5. Step 5: Solve for x
    x = 1,142,860,604,182.75/1,389,455.05
  6. Step 6: Final answer
    x = 822,524.34

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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.