Home / 1,382,319.84-1,907,533.80-770,539.20

Finding the Fourth Proportional to 1,382,319.84, 1,907,533.80 and 770,539.20

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Solution

The fourth proportional to 1,382,319.84, 1,907,533.80 and 770,539.20 is: 1,063,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,319.84 : 1,907,533.80 = 770,539.20 : x
  2. Step 2: Convert to fraction form
    1,382,319.84/1,907,533.80 = 770,539.20/x
  3. Step 3: Cross multiply
    1,382,319.84x = 1,907,533.80 × 770,539.20
  4. Step 4: Simplify right side
    1,382,319.84x = 1,469,829,568,224.96
  5. Step 5: Solve for x
    x = 1,469,829,568,224.96/1,382,319.84
  6. Step 6: Final answer
    x = 1,063,306.43

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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.