Home / 1,379,478.22-1,903,661.61-775,866.22

Finding the Fourth Proportional to 1,379,478.22, 1,903,661.61 and 775,866.22

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Solution

The fourth proportional to 1,379,478.22, 1,903,661.61 and 775,866.22 is: 1,070,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,478.22 : 1,903,661.61 = 775,866.22 : x
  2. Step 2: Convert to fraction form
    1,379,478.22/1,903,661.61 = 775,866.22/x
  3. Step 3: Cross multiply
    1,379,478.22x = 1,903,661.61 × 775,866.22
  4. Step 4: Simplify right side
    1,379,478.22x = 1,476,986,737,509.81
  5. Step 5: Solve for x
    x = 1,476,986,737,509.81/1,379,478.22
  6. Step 6: Final answer
    x = 1,070,685.07

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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.