Home / 1,260,562.40-1,889,706.32-461,286.80

Finding the Fourth Proportional to 1,260,562.40, 1,889,706.32 and 461,286.80

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Solution

The fourth proportional to 1,260,562.40, 1,889,706.32 and 461,286.80 is: 691,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,562.40 : 1,889,706.32 = 461,286.80 : x
  2. Step 2: Convert to fraction form
    1,260,562.40/1,889,706.32 = 461,286.80/x
  3. Step 3: Cross multiply
    1,260,562.40x = 1,889,706.32 × 461,286.80
  4. Step 4: Simplify right side
    1,260,562.40x = 871,696,581,292.58
  5. Step 5: Solve for x
    x = 871,696,581,292.58/1,260,562.40
  6. Step 6: Final answer
    x = 691,514.03

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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.