Home / 1,505,520-2,252,608.20-1,057,126.68

Finding the Fourth Proportional to 1,505,520, 2,252,608.20 and 1,057,126.68

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Solution

The fourth proportional to 1,505,520, 2,252,608.20 and 1,057,126.68 is: 1,581,707.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,520 : 2,252,608.20 = 1,057,126.68 : x
  2. Step 2: Convert to fraction form
    1,505,520/2,252,608.20 = 1,057,126.68/x
  3. Step 3: Cross multiply
    1,505,520x = 2,252,608.20 × 1,057,126.68
  4. Step 4: Simplify right side
    1,505,520x = 2,381,292,227,806.78
  5. Step 5: Solve for x
    x = 2,381,292,227,806.78/1,505,520
  6. Step 6: Final answer
    x = 1,581,707.47

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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.