Home / 1,563,635.63-2,156,704.78-1,434,989.53

Finding the Fourth Proportional to 1,563,635.63, 2,156,704.78 and 1,434,989.53

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Solution

The fourth proportional to 1,563,635.63, 2,156,704.78 and 1,434,989.53 is: 1,979,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,635.63 : 2,156,704.78 = 1,434,989.53 : x
  2. Step 2: Convert to fraction form
    1,563,635.63/2,156,704.78 = 1,434,989.53/x
  3. Step 3: Cross multiply
    1,563,635.63x = 2,156,704.78 × 1,434,989.53
  4. Step 4: Simplify right side
    1,563,635.63x = 3,094,848,769,621.72
  5. Step 5: Solve for x
    x = 3,094,848,769,621.72/1,563,635.63
  6. Step 6: Final answer
    x = 1,979,264.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.