Home / 990,187.84-1,483,951.32-540,234.44

Finding the Fourth Proportional to 990,187.84, 1,483,951.32 and 540,234.44

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Solution

The fourth proportional to 990,187.84, 1,483,951.32 and 540,234.44 is: 809,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,187.84 : 1,483,951.32 = 540,234.44 : x
  2. Step 2: Convert to fraction form
    990,187.84/1,483,951.32 = 540,234.44/x
  3. Step 3: Cross multiply
    990,187.84x = 1,483,951.32 × 540,234.44
  4. Step 4: Simplify right side
    990,187.84x = 801,681,610,347.46
  5. Step 5: Solve for x
    x = 801,681,610,347.46/990,187.84
  6. Step 6: Final answer
    x = 809,625.79

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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.