Home / 1,382,281.74-1,907,317.53-770,300.28

Finding the Fourth Proportional to 1,382,281.74, 1,907,317.53 and 770,300.28

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Solution

The fourth proportional to 1,382,281.74, 1,907,317.53 and 770,300.28 is: 1,062,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,281.74 : 1,907,317.53 = 770,300.28 : x
  2. Step 2: Convert to fraction form
    1,382,281.74/1,907,317.53 = 770,300.28/x
  3. Step 3: Cross multiply
    1,382,281.74x = 1,907,317.53 × 770,300.28
  4. Step 4: Simplify right side
    1,382,281.74x = 1,469,207,227,407.91
  5. Step 5: Solve for x
    x = 1,469,207,227,407.91/1,382,281.74
  6. Step 6: Final answer
    x = 1,062,885.51

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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.