Home / 1,525,257.50-2,287,899.65-388,020.89

Finding the Fourth Proportional to 1,525,257.50, 2,287,899.65 and 388,020.89

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Solution

The fourth proportional to 1,525,257.50, 2,287,899.65 and 388,020.89 is: 582,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,257.50 : 2,287,899.65 = 388,020.89 : x
  2. Step 2: Convert to fraction form
    1,525,257.50/2,287,899.65 = 388,020.89/x
  3. Step 3: Cross multiply
    1,525,257.50x = 2,287,899.65 × 388,020.89
  4. Step 4: Simplify right side
    1,525,257.50x = 887,752,862,203.33
  5. Step 5: Solve for x
    x = 887,752,862,203.33/1,525,257.50
  6. Step 6: Final answer
    x = 582,034.75

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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.