Home / 1,384,687.69-2,077,197.39-425,017.61

Finding the Fourth Proportional to 1,384,687.69, 2,077,197.39 and 425,017.61

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Solution

The fourth proportional to 1,384,687.69, 2,077,197.39 and 425,017.61 is: 637,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,687.69 : 2,077,197.39 = 425,017.61 : x
  2. Step 2: Convert to fraction form
    1,384,687.69/2,077,197.39 = 425,017.61/x
  3. Step 3: Cross multiply
    1,384,687.69x = 2,077,197.39 × 425,017.61
  4. Step 4: Simplify right side
    1,384,687.69x = 882,845,463,251.62
  5. Step 5: Solve for x
    x = 882,845,463,251.62/1,384,687.69
  6. Step 6: Final answer
    x = 637,577.32

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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.