Home / 2,458,720.80-3,688,081.20-775,824.30

Finding the Fourth Proportional to 2,458,720.80, 3,688,081.20 and 775,824.30

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Solution

The fourth proportional to 2,458,720.80, 3,688,081.20 and 775,824.30 is: 1,163,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458,720.80 : 3,688,081.20 = 775,824.30 : x
  2. Step 2: Convert to fraction form
    2,458,720.80/3,688,081.20 = 775,824.30/x
  3. Step 3: Cross multiply
    2,458,720.80x = 3,688,081.20 × 775,824.30
  4. Step 4: Simplify right side
    2,458,720.80x = 2,861,303,015,333.16
  5. Step 5: Solve for x
    x = 2,861,303,015,333.16/2,458,720.80
  6. Step 6: Final answer
    x = 1,163,736.45

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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.