Home / 1,431,968.32-2,148,886.97-534,128.28

Finding the Fourth Proportional to 1,431,968.32, 2,148,886.97 and 534,128.28

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Solution

The fourth proportional to 1,431,968.32, 2,148,886.97 and 534,128.28 is: 801,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,968.32 : 2,148,886.97 = 534,128.28 : x
  2. Step 2: Convert to fraction form
    1,431,968.32/2,148,886.97 = 534,128.28/x
  3. Step 3: Cross multiply
    1,431,968.32x = 2,148,886.97 × 534,128.28
  4. Step 4: Simplify right side
    1,431,968.32x = 1,147,781,292,474.53
  5. Step 5: Solve for x
    x = 1,147,781,292,474.53/1,431,968.32
  6. Step 6: Final answer
    x = 801,540.98

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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.