Home / 697,744.80-1,048,172.40-669,405.60

Finding the Fourth Proportional to 697,744.80, 1,048,172.40 and 669,405.60

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Solution

The fourth proportional to 697,744.80, 1,048,172.40 and 669,405.60 is: 1,005,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,744.80 : 1,048,172.40 = 669,405.60 : x
  2. Step 2: Convert to fraction form
    697,744.80/1,048,172.40 = 669,405.60/x
  3. Step 3: Cross multiply
    697,744.80x = 1,048,172.40 × 669,405.60
  4. Step 4: Simplify right side
    697,744.80x = 701,652,474,325.44
  5. Step 5: Solve for x
    x = 701,652,474,325.44/697,744.80
  6. Step 6: Final answer
    x = 1,005,600.43

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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.