Home / 1,525,270.67-2,287,921.76-388,033.40

Finding the Fourth Proportional to 1,525,270.67, 2,287,921.76 and 388,033.40

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Solution

The fourth proportional to 1,525,270.67, 2,287,921.76 and 388,033.40 is: 582,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,270.67 : 2,287,921.76 = 388,033.40 : x
  2. Step 2: Convert to fraction form
    1,525,270.67/2,287,921.76 = 388,033.40/x
  3. Step 3: Cross multiply
    1,525,270.67x = 2,287,921.76 × 388,033.40
  4. Step 4: Simplify right side
    1,525,270.67x = 887,790,066,156.67
  5. Step 5: Solve for x
    x = 887,790,066,156.67/1,525,270.67
  6. Step 6: Final answer
    x = 582,054.11

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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.