Home / 1,782,012.80-2,673,121.60-520,035.20

Finding the Fourth Proportional to 1,782,012.80, 2,673,121.60 and 520,035.20

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Solution

The fourth proportional to 1,782,012.80, 2,673,121.60 and 520,035.20 is: 780,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,012.80 : 2,673,121.60 = 520,035.20 : x
  2. Step 2: Convert to fraction form
    1,782,012.80/2,673,121.60 = 520,035.20/x
  3. Step 3: Cross multiply
    1,782,012.80x = 2,673,121.60 × 520,035.20
  4. Step 4: Simplify right side
    1,782,012.80x = 1,390,117,325,880.32
  5. Step 5: Solve for x
    x = 1,390,117,325,880.32/1,782,012.80
  6. Step 6: Final answer
    x = 780,082.68

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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.