Home / 1,213,481.52-1,674,529.20-669,621.60

Finding the Fourth Proportional to 1,213,481.52, 1,674,529.20 and 669,621.60

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Solution

The fourth proportional to 1,213,481.52, 1,674,529.20 and 669,621.60 is: 924,036.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,481.52 : 1,674,529.20 = 669,621.60 : x
  2. Step 2: Convert to fraction form
    1,213,481.52/1,674,529.20 = 669,621.60/x
  3. Step 3: Cross multiply
    1,213,481.52x = 1,674,529.20 × 669,621.60
  4. Step 4: Simplify right side
    1,213,481.52x = 1,121,300,922,150.72
  5. Step 5: Solve for x
    x = 1,121,300,922,150.72/1,213,481.52
  6. Step 6: Final answer
    x = 924,036.26

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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.