Home / 1,176,004.40-1,764,006.60-697,002.80

Finding the Fourth Proportional to 1,176,004.40, 1,764,006.60 and 697,002.80

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Solution

The fourth proportional to 1,176,004.40, 1,764,006.60 and 697,002.80 is: 1,045,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,004.40 : 1,764,006.60 = 697,002.80 : x
  2. Step 2: Convert to fraction form
    1,176,004.40/1,764,006.60 = 697,002.80/x
  3. Step 3: Cross multiply
    1,176,004.40x = 1,764,006.60 × 697,002.80
  4. Step 4: Simplify right side
    1,176,004.40x = 1,229,517,539,418.48
  5. Step 5: Solve for x
    x = 1,229,517,539,418.48/1,176,004.40
  6. Step 6: Final answer
    x = 1,045,504.20

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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.