Home / 1,028,956.80-1,540,810.80-819,004.80

Finding the Fourth Proportional to 1,028,956.80, 1,540,810.80 and 819,004.80

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Solution

The fourth proportional to 1,028,956.80, 1,540,810.80 and 819,004.80 is: 1,226,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,956.80 : 1,540,810.80 = 819,004.80 : x
  2. Step 2: Convert to fraction form
    1,028,956.80/1,540,810.80 = 819,004.80/x
  3. Step 3: Cross multiply
    1,028,956.80x = 1,540,810.80 × 819,004.80
  4. Step 4: Simplify right side
    1,028,956.80x = 1,261,931,441,091.84
  5. Step 5: Solve for x
    x = 1,261,931,441,091.84/1,028,956.80
  6. Step 6: Final answer
    x = 1,226,418.29

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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.