Home / 1,072,759.84-1,609,347.36-407,860

Finding the Fourth Proportional to 1,072,759.84, 1,609,347.36 and 407,860

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Solution

The fourth proportional to 1,072,759.84, 1,609,347.36 and 407,860 is: 611,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,759.84 : 1,609,347.36 = 407,860 : x
  2. Step 2: Convert to fraction form
    1,072,759.84/1,609,347.36 = 407,860/x
  3. Step 3: Cross multiply
    1,072,759.84x = 1,609,347.36 × 407,860
  4. Step 4: Simplify right side
    1,072,759.84x = 656,388,414,249.60
  5. Step 5: Solve for x
    x = 656,388,414,249.60/1,072,759.84
  6. Step 6: Final answer
    x = 611,868.93

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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.