Home / 1,100,911.29-1,650,970.80-381,057.51

Finding the Fourth Proportional to 1,100,911.29, 1,650,970.80 and 381,057.51

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Solution

The fourth proportional to 1,100,911.29, 1,650,970.80 and 381,057.51 is: 571,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,911.29 : 1,650,970.80 = 381,057.51 : x
  2. Step 2: Convert to fraction form
    1,100,911.29/1,650,970.80 = 381,057.51/x
  3. Step 3: Cross multiply
    1,100,911.29x = 1,650,970.80 × 381,057.51
  4. Step 4: Simplify right side
    1,100,911.29x = 629,114,820,225.42
  5. Step 5: Solve for x
    x = 629,114,820,225.42/1,100,911.29
  6. Step 6: Final answer
    x = 571,449.15

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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.