Home / 1,108,181.32-1,662,366.29-349,819.90

Finding the Fourth Proportional to 1,108,181.32, 1,662,366.29 and 349,819.90

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Solution

The fourth proportional to 1,108,181.32, 1,662,366.29 and 349,819.90 is: 524,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,181.32 : 1,662,366.29 = 349,819.90 : x
  2. Step 2: Convert to fraction form
    1,108,181.32/1,662,366.29 = 349,819.90/x
  3. Step 3: Cross multiply
    1,108,181.32x = 1,662,366.29 × 349,819.90
  4. Step 4: Simplify right side
    1,108,181.32x = 581,528,809,331.17
  5. Step 5: Solve for x
    x = 581,528,809,331.17/1,108,181.32
  6. Step 6: Final answer
    x = 524,759.62

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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.