Home / 1,420,651.58-1,960,474.46-776,055.20

Finding the Fourth Proportional to 1,420,651.58, 1,960,474.46 and 776,055.20

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Solution

The fourth proportional to 1,420,651.58, 1,960,474.46 and 776,055.20 is: 1,070,942.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,651.58 : 1,960,474.46 = 776,055.20 : x
  2. Step 2: Convert to fraction form
    1,420,651.58/1,960,474.46 = 776,055.20/x
  3. Step 3: Cross multiply
    1,420,651.58x = 1,960,474.46 × 776,055.20
  4. Step 4: Simplify right side
    1,420,651.58x = 1,521,436,385,467.54
  5. Step 5: Solve for x
    x = 1,521,436,385,467.54/1,420,651.58
  6. Step 6: Final answer
    x = 1,070,942.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.