Home / 1,389,451.05-2,083,087.80-548,632.17

Finding the Fourth Proportional to 1,389,451.05, 2,083,087.80 and 548,632.17

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Solution

The fourth proportional to 1,389,451.05, 2,083,087.80 and 548,632.17 is: 822,518.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,451.05 : 2,083,087.80 = 548,632.17 : x
  2. Step 2: Convert to fraction form
    1,389,451.05/2,083,087.80 = 548,632.17/x
  3. Step 3: Cross multiply
    1,389,451.05x = 2,083,087.80 × 548,632.17
  4. Step 4: Simplify right side
    1,389,451.05x = 1,142,848,980,014.53
  5. Step 5: Solve for x
    x = 1,142,848,980,014.53/1,389,451.05
  6. Step 6: Final answer
    x = 822,518.35

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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.