Home / 1,384,688.67-2,077,198.86-425,018.59

Finding the Fourth Proportional to 1,384,688.67, 2,077,198.86 and 425,018.59

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Solution

The fourth proportional to 1,384,688.67, 2,077,198.86 and 425,018.59 is: 637,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,688.67 : 2,077,198.86 = 425,018.59 : x
  2. Step 2: Convert to fraction form
    1,384,688.67/2,077,198.86 = 425,018.59/x
  3. Step 3: Cross multiply
    1,384,688.67x = 2,077,198.86 × 425,018.59
  4. Step 4: Simplify right side
    1,384,688.67x = 882,848,127,027.63
  5. Step 5: Solve for x
    x = 882,848,127,027.63/1,384,688.67
  6. Step 6: Final answer
    x = 637,578.79

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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.