Home / 1,079,135.80-1,617,407.70-447,724.60

Finding the Fourth Proportional to 1,079,135.80, 1,617,407.70 and 447,724.60

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Solution

The fourth proportional to 1,079,135.80, 1,617,407.70 and 447,724.60 is: 671,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,135.80 : 1,617,407.70 = 447,724.60 : x
  2. Step 2: Convert to fraction form
    1,079,135.80/1,617,407.70 = 447,724.60/x
  3. Step 3: Cross multiply
    1,079,135.80x = 1,617,407.70 × 447,724.60
  4. Step 4: Simplify right side
    1,079,135.80x = 724,153,215,519.42
  5. Step 5: Solve for x
    x = 724,153,215,519.42/1,079,135.80
  6. Step 6: Final answer
    x = 671,049.20

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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.