Home / 1,421,751.15-2,132,626.73-475,121.87

Finding the Fourth Proportional to 1,421,751.15, 2,132,626.73 and 475,121.87

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Solution

The fourth proportional to 1,421,751.15, 2,132,626.73 and 475,121.87 is: 712,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,751.15 : 2,132,626.73 = 475,121.87 : x
  2. Step 2: Convert to fraction form
    1,421,751.15/2,132,626.73 = 475,121.87/x
  3. Step 3: Cross multiply
    1,421,751.15x = 2,132,626.73 × 475,121.87
  4. Step 4: Simplify right side
    1,421,751.15x = 1,013,257,599,969.59
  5. Step 5: Solve for x
    x = 1,013,257,599,969.59/1,421,751.15
  6. Step 6: Final answer
    x = 712,682.81

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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.