Home / 1,784,830.80-2,678,309.97-647,681.73

Finding the Fourth Proportional to 1,784,830.80, 2,678,309.97 and 647,681.73

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Solution

The fourth proportional to 1,784,830.80, 2,678,309.97 and 647,681.73 is: 971,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,830.80 : 2,678,309.97 = 647,681.73 : x
  2. Step 2: Convert to fraction form
    1,784,830.80/2,678,309.97 = 647,681.73/x
  3. Step 3: Cross multiply
    1,784,830.80x = 2,678,309.97 × 647,681.73
  4. Step 4: Simplify right side
    1,784,830.80x = 1,734,692,434,845.85
  5. Step 5: Solve for x
    x = 1,734,692,434,845.85/1,784,830.80
  6. Step 6: Final answer
    x = 971,908.62

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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.