Home / 1,525,305.80-2,287,971.72-388,069.16

Finding the Fourth Proportional to 1,525,305.80, 2,287,971.72 and 388,069.16

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Solution

The fourth proportional to 1,525,305.80, 2,287,971.72 and 388,069.16 is: 582,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,305.80 : 2,287,971.72 = 388,069.16 : x
  2. Step 2: Convert to fraction form
    1,525,305.80/2,287,971.72 = 388,069.16/x
  3. Step 3: Cross multiply
    1,525,305.80x = 2,287,971.72 × 388,069.16
  4. Step 4: Simplify right side
    1,525,305.80x = 887,891,263,484.16
  5. Step 5: Solve for x
    x = 887,891,263,484.16/1,525,305.80
  6. Step 6: Final answer
    x = 582,107.05

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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.