Home / 1,271,684.38-1,907,527.25-472,862.12

Finding the Fourth Proportional to 1,271,684.38, 1,907,527.25 and 472,862.12

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Solution

The fourth proportional to 1,271,684.38, 1,907,527.25 and 472,862.12 is: 709,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,684.38 : 1,907,527.25 = 472,862.12 : x
  2. Step 2: Convert to fraction form
    1,271,684.38/1,907,527.25 = 472,862.12/x
  3. Step 3: Cross multiply
    1,271,684.38x = 1,907,527.25 × 472,862.12
  4. Step 4: Simplify right side
    1,271,684.38x = 901,997,383,570.51
  5. Step 5: Solve for x
    x = 901,997,383,570.51/1,271,684.38
  6. Step 6: Final answer
    x = 709,293.44

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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.