Home / 866,145.40-1,297,662.90-741,729.40

Finding the Fourth Proportional to 866,145.40, 1,297,662.90 and 741,729.40

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Solution

The fourth proportional to 866,145.40, 1,297,662.90 and 741,729.40 is: 1,111,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,145.40 : 1,297,662.90 = 741,729.40 : x
  2. Step 2: Convert to fraction form
    866,145.40/1,297,662.90 = 741,729.40/x
  3. Step 3: Cross multiply
    866,145.40x = 1,297,662.90 × 741,729.40
  4. Step 4: Simplify right side
    866,145.40x = 962,514,724,219.26
  5. Step 5: Solve for x
    x = 962,514,724,219.26/866,145.40
  6. Step 6: Final answer
    x = 1,111,262.29

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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.