Home / 1,507,786.34-2,080,761.30-819,458.18

Finding the Fourth Proportional to 1,507,786.34, 2,080,761.30 and 819,458.18

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Solution

The fourth proportional to 1,507,786.34, 2,080,761.30 and 819,458.18 is: 1,130,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,786.34 : 2,080,761.30 = 819,458.18 : x
  2. Step 2: Convert to fraction form
    1,507,786.34/2,080,761.30 = 819,458.18/x
  3. Step 3: Cross multiply
    1,507,786.34x = 2,080,761.30 × 819,458.18
  4. Step 4: Simplify right side
    1,507,786.34x = 1,705,096,867,912.43
  5. Step 5: Solve for x
    x = 1,705,096,867,912.43/1,507,786.34
  6. Step 6: Final answer
    x = 1,130,861.07

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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.