Home / 1,420,671.64-2,131,848.18-522,743.92

Finding the Fourth Proportional to 1,420,671.64, 2,131,848.18 and 522,743.92

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Solution

The fourth proportional to 1,420,671.64, 2,131,848.18 and 522,743.92 is: 784,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,671.64 : 2,131,848.18 = 522,743.92 : x
  2. Step 2: Convert to fraction form
    1,420,671.64/2,131,848.18 = 522,743.92/x
  3. Step 3: Cross multiply
    1,420,671.64x = 2,131,848.18 × 522,743.92
  4. Step 4: Simplify right side
    1,420,671.64x = 1,114,410,674,458.07
  5. Step 5: Solve for x
    x = 1,114,410,674,458.07/1,420,671.64
  6. Step 6: Final answer
    x = 784,425.23

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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.