Home / 1,079,083.80-1,617,329.70-447,672.60

Finding the Fourth Proportional to 1,079,083.80, 1,617,329.70 and 447,672.60

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Solution

The fourth proportional to 1,079,083.80, 1,617,329.70 and 447,672.60 is: 670,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,083.80 : 1,617,329.70 = 447,672.60 : x
  2. Step 2: Convert to fraction form
    1,079,083.80/1,617,329.70 = 447,672.60/x
  3. Step 3: Cross multiply
    1,079,083.80x = 1,617,329.70 × 447,672.60
  4. Step 4: Simplify right side
    1,079,083.80x = 724,034,191,856.22
  5. Step 5: Solve for x
    x = 724,034,191,856.22/1,079,083.80
  6. Step 6: Final answer
    x = 670,971.24

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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.