Home / 1,399,931.64-2,100,231.86-453,303.48

Finding the Fourth Proportional to 1,399,931.64, 2,100,231.86 and 453,303.48

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Solution

The fourth proportional to 1,399,931.64, 2,100,231.86 and 453,303.48 is: 680,063.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,931.64 : 2,100,231.86 = 453,303.48 : x
  2. Step 2: Convert to fraction form
    1,399,931.64/2,100,231.86 = 453,303.48/x
  3. Step 3: Cross multiply
    1,399,931.64x = 2,100,231.86 × 453,303.48
  4. Step 4: Simplify right side
    1,399,931.64x = 952,042,410,944.87
  5. Step 5: Solve for x
    x = 952,042,410,944.87/1,399,931.64
  6. Step 6: Final answer
    x = 680,063.50

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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.