Home / 1,667,329.92-2,500,988.40-405,161.28

Finding the Fourth Proportional to 1,667,329.92, 2,500,988.40 and 405,161.28

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Solution

The fourth proportional to 1,667,329.92, 2,500,988.40 and 405,161.28 is: 607,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,329.92 : 2,500,988.40 = 405,161.28 : x
  2. Step 2: Convert to fraction form
    1,667,329.92/2,500,988.40 = 405,161.28/x
  3. Step 3: Cross multiply
    1,667,329.92x = 2,500,988.40 × 405,161.28
  4. Step 4: Simplify right side
    1,667,329.92x = 1,013,303,661,409.15
  5. Step 5: Solve for x
    x = 1,013,303,661,409.15/1,667,329.92
  6. Step 6: Final answer
    x = 607,740.35

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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.