Home / 1,288,538.09-1,932,804.69-341,834.39

Finding the Fourth Proportional to 1,288,538.09, 1,932,804.69 and 341,834.39

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Solution

The fourth proportional to 1,288,538.09, 1,932,804.69 and 341,834.39 is: 512,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,538.09 : 1,932,804.69 = 341,834.39 : x
  2. Step 2: Convert to fraction form
    1,288,538.09/1,932,804.69 = 341,834.39/x
  3. Step 3: Cross multiply
    1,288,538.09x = 1,932,804.69 × 341,834.39
  4. Step 4: Simplify right side
    1,288,538.09x = 660,699,102,531.27
  5. Step 5: Solve for x
    x = 660,699,102,531.27/1,288,538.09
  6. Step 6: Final answer
    x = 512,750.93

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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.