Home / 1,310,126.46-1,964,020.92-511,222.20

Finding the Fourth Proportional to 1,310,126.46, 1,964,020.92 and 511,222.20

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Solution

The fourth proportional to 1,310,126.46, 1,964,020.92 and 511,222.20 is: 766,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,126.46 : 1,964,020.92 = 511,222.20 : x
  2. Step 2: Convert to fraction form
    1,310,126.46/1,964,020.92 = 511,222.20/x
  3. Step 3: Cross multiply
    1,310,126.46x = 1,964,020.92 × 511,222.20
  4. Step 4: Simplify right side
    1,310,126.46x = 1,004,051,095,568.42
  5. Step 5: Solve for x
    x = 1,004,051,095,568.42/1,310,126.46
  6. Step 6: Final answer
    x = 766,377.24

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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.