Home / 1,265,751.12-1,898,384.76-379,287.12

Finding the Fourth Proportional to 1,265,751.12, 1,898,384.76 and 379,287.12

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Solution

The fourth proportional to 1,265,751.12, 1,898,384.76 and 379,287.12 is: 568,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,751.12 : 1,898,384.76 = 379,287.12 : x
  2. Step 2: Convert to fraction form
    1,265,751.12/1,898,384.76 = 379,287.12/x
  3. Step 3: Cross multiply
    1,265,751.12x = 1,898,384.76 × 379,287.12
  4. Step 4: Simplify right side
    1,265,751.12x = 720,032,888,272.29
  5. Step 5: Solve for x
    x = 720,032,888,272.29/1,265,751.12
  6. Step 6: Final answer
    x = 568,858.19

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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.