Home / 1,208,424.88-1,667,588.14-664,558.98

Finding the Fourth Proportional to 1,208,424.88, 1,667,588.14 and 664,558.98

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Solution

The fourth proportional to 1,208,424.88, 1,667,588.14 and 664,558.98 is: 917,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,424.88 : 1,667,588.14 = 664,558.98 : x
  2. Step 2: Convert to fraction form
    1,208,424.88/1,667,588.14 = 664,558.98/x
  3. Step 3: Cross multiply
    1,208,424.88x = 1,667,588.14 × 664,558.98
  4. Step 4: Simplify right side
    1,208,424.88x = 1,108,210,673,378.50
  5. Step 5: Solve for x
    x = 1,108,210,673,378.50/1,208,424.88
  6. Step 6: Final answer
    x = 917,070.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.