Home / 1,787,850.40-2,681,905.20-1,076,346.40

Finding the Fourth Proportional to 1,787,850.40, 2,681,905.20 and 1,076,346.40

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Solution

The fourth proportional to 1,787,850.40, 2,681,905.20 and 1,076,346.40 is: 1,614,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,850.40 : 2,681,905.20 = 1,076,346.40 : x
  2. Step 2: Convert to fraction form
    1,787,850.40/2,681,905.20 = 1,076,346.40/x
  3. Step 3: Cross multiply
    1,787,850.40x = 2,681,905.20 × 1,076,346.40
  4. Step 4: Simplify right side
    1,787,850.40x = 2,886,659,007,161.28
  5. Step 5: Solve for x
    x = 2,886,659,007,161.28/1,787,850.40
  6. Step 6: Final answer
    x = 1,614,597.62

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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.