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Finding the Fourth Proportional to 1,482,783.77, 2,223,739.65 and 629,848.64

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Solution

The fourth proportional to 1,482,783.77, 2,223,739.65 and 629,848.64 is: 944,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,783.77 : 2,223,739.65 = 629,848.64 : x
  2. Step 2: Convert to fraction form
    1,482,783.77/2,223,739.65 = 629,848.64/x
  3. Step 3: Cross multiply
    1,482,783.77x = 2,223,739.65 × 629,848.64
  4. Step 4: Simplify right side
    1,482,783.77x = 1,400,619,394,266.58
  5. Step 5: Solve for x
    x = 1,400,619,394,266.58/1,482,783.77
  6. Step 6: Final answer
    x = 944,587.76

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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.