Home / 1,265,850.75-1,898,776.14-379,386.75

Finding the Fourth Proportional to 1,265,850.75, 1,898,776.14 and 379,386.75

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Solution

The fourth proportional to 1,265,850.75, 1,898,776.14 and 379,386.75 is: 569,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,850.75 : 1,898,776.14 = 379,386.75 : x
  2. Step 2: Convert to fraction form
    1,265,850.75/1,898,776.14 = 379,386.75/x
  3. Step 3: Cross multiply
    1,265,850.75x = 1,898,776.14 × 379,386.75
  4. Step 4: Simplify right side
    1,265,850.75x = 720,370,508,732.15
  5. Step 5: Solve for x
    x = 720,370,508,732.15/1,265,850.75
  6. Step 6: Final answer
    x = 569,080.13

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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.