Home / 1,384,688.69-2,077,198.89-425,018.61

Finding the Fourth Proportional to 1,384,688.69, 2,077,198.89 and 425,018.61

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Solution

The fourth proportional to 1,384,688.69, 2,077,198.89 and 425,018.61 is: 637,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,688.69 : 2,077,198.89 = 425,018.61 : x
  2. Step 2: Convert to fraction form
    1,384,688.69/2,077,198.89 = 425,018.61/x
  3. Step 3: Cross multiply
    1,384,688.69x = 2,077,198.89 × 425,018.61
  4. Step 4: Simplify right side
    1,384,688.69x = 882,848,184,921.34
  5. Step 5: Solve for x
    x = 882,848,184,921.34/1,384,688.69
  6. Step 6: Final answer
    x = 637,578.82

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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.