Home / 1,079,172.80-1,617,463.20-447,761.60

Finding the Fourth Proportional to 1,079,172.80, 1,617,463.20 and 447,761.60

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Solution

The fourth proportional to 1,079,172.80, 1,617,463.20 and 447,761.60 is: 671,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,172.80 : 1,617,463.20 = 447,761.60 : x
  2. Step 2: Convert to fraction form
    1,079,172.80/1,617,463.20 = 447,761.60/x
  3. Step 3: Cross multiply
    1,079,172.80x = 1,617,463.20 × 447,761.60
  4. Step 4: Simplify right side
    1,079,172.80x = 724,237,910,373.12
  5. Step 5: Solve for x
    x = 724,237,910,373.12/1,079,172.80
  6. Step 6: Final answer
    x = 671,104.67

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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.