Home / 1,782,356.80-2,674,147.20-520,369.60

Finding the Fourth Proportional to 1,782,356.80, 2,674,147.20 and 520,369.60

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Solution

The fourth proportional to 1,782,356.80, 2,674,147.20 and 520,369.60 is: 780,733.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,356.80 : 2,674,147.20 = 520,369.60 : x
  2. Step 2: Convert to fraction form
    1,782,356.80/2,674,147.20 = 520,369.60/x
  3. Step 3: Cross multiply
    1,782,356.80x = 2,674,147.20 × 520,369.60
  4. Step 4: Simplify right side
    1,782,356.80x = 1,391,544,908,805.12
  5. Step 5: Solve for x
    x = 1,391,544,908,805.12/1,782,356.80
  6. Step 6: Final answer
    x = 780,733.08

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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.