Home / 1,787,776.40-2,681,794.20-1,076,272.40

Finding the Fourth Proportional to 1,787,776.40, 2,681,794.20 and 1,076,272.40

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Solution

The fourth proportional to 1,787,776.40, 2,681,794.20 and 1,076,272.40 is: 1,614,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,776.40 : 2,681,794.20 = 1,076,272.40 : x
  2. Step 2: Convert to fraction form
    1,787,776.40/2,681,794.20 = 1,076,272.40/x
  3. Step 3: Cross multiply
    1,787,776.40x = 2,681,794.20 × 1,076,272.40
  4. Step 4: Simplify right side
    1,787,776.40x = 2,886,341,079,940.08
  5. Step 5: Solve for x
    x = 2,886,341,079,940.08/1,787,776.40
  6. Step 6: Final answer
    x = 1,614,486.62

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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.