Home / 1,784,853.36-2,678,343.84-647,704.35

Finding the Fourth Proportional to 1,784,853.36, 2,678,343.84 and 647,704.35

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Solution

The fourth proportional to 1,784,853.36, 2,678,343.84 and 647,704.35 is: 971,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,853.36 : 2,678,343.84 = 647,704.35 : x
  2. Step 2: Convert to fraction form
    1,784,853.36/2,678,343.84 = 647,704.35/x
  3. Step 3: Cross multiply
    1,784,853.36x = 2,678,343.84 × 647,704.35
  4. Step 4: Simplify right side
    1,784,853.36x = 1,734,774,955,963.70
  5. Step 5: Solve for x
    x = 1,734,774,955,963.70/1,784,853.36
  6. Step 6: Final answer
    x = 971,942.57

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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.