Home / 1,520,755.55-2,098,500.21-908,786.51

Finding the Fourth Proportional to 1,520,755.55, 2,098,500.21 and 908,786.51

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Solution

The fourth proportional to 1,520,755.55, 2,098,500.21 and 908,786.51 is: 1,254,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,755.55 : 2,098,500.21 = 908,786.51 : x
  2. Step 2: Convert to fraction form
    1,520,755.55/2,098,500.21 = 908,786.51/x
  3. Step 3: Cross multiply
    1,520,755.55x = 2,098,500.21 × 908,786.51
  4. Step 4: Simplify right side
    1,520,755.55x = 1,907,088,682,080.17
  5. Step 5: Solve for x
    x = 1,907,088,682,080.17/1,520,755.55
  6. Step 6: Final answer
    x = 1,254,040.26

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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.