Home / 1,769,479.60-2,654,221.20-439,783.60

Finding the Fourth Proportional to 1,769,479.60, 2,654,221.20 and 439,783.60

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Solution

The fourth proportional to 1,769,479.60, 2,654,221.20 and 439,783.60 is: 659,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,479.60 : 2,654,221.20 = 439,783.60 : x
  2. Step 2: Convert to fraction form
    1,769,479.60/2,654,221.20 = 439,783.60/x
  3. Step 3: Cross multiply
    1,769,479.60x = 2,654,221.20 × 439,783.60
  4. Step 4: Simplify right side
    1,769,479.60x = 1,167,282,954,532.32
  5. Step 5: Solve for x
    x = 1,167,282,954,532.32/1,769,479.60
  6. Step 6: Final answer
    x = 659,675.85

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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.