Home / 1,120,345.63-1,546,069.68-636,910.90

Finding the Fourth Proportional to 1,120,345.63, 1,546,069.68 and 636,910.90

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Solution

The fourth proportional to 1,120,345.63, 1,546,069.68 and 636,910.90 is: 878,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,345.63 : 1,546,069.68 = 636,910.90 : x
  2. Step 2: Convert to fraction form
    1,120,345.63/1,546,069.68 = 636,910.90/x
  3. Step 3: Cross multiply
    1,120,345.63x = 1,546,069.68 × 636,910.90
  4. Step 4: Simplify right side
    1,120,345.63x = 984,708,627,486.34
  5. Step 5: Solve for x
    x = 984,708,627,486.34/1,120,345.63
  6. Step 6: Final answer
    x = 878,932.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.