Home / 1,210,745.76-1,816,187.76-369,355.68

Finding the Fourth Proportional to 1,210,745.76, 1,816,187.76 and 369,355.68

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Solution

The fourth proportional to 1,210,745.76, 1,816,187.76 and 369,355.68 is: 554,054.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,745.76 : 1,816,187.76 = 369,355.68 : x
  2. Step 2: Convert to fraction form
    1,210,745.76/1,816,187.76 = 369,355.68/x
  3. Step 3: Cross multiply
    1,210,745.76x = 1,816,187.76 × 369,355.68
  4. Step 4: Simplify right side
    1,210,745.76x = 670,819,265,102.48
  5. Step 5: Solve for x
    x = 670,819,265,102.48/1,210,745.76
  6. Step 6: Final answer
    x = 554,054.61

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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.