Home / 1,079,109.80-1,618,859.10-448,087.40

Finding the Fourth Proportional to 1,079,109.80, 1,618,859.10 and 448,087.40

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Solution

The fourth proportional to 1,079,109.80, 1,618,859.10 and 448,087.40 is: 672,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,109.80 : 1,618,859.10 = 448,087.40 : x
  2. Step 2: Convert to fraction form
    1,079,109.80/1,618,859.10 = 448,087.40/x
  3. Step 3: Cross multiply
    1,079,109.80x = 1,618,859.10 × 448,087.40
  4. Step 4: Simplify right side
    1,079,109.80x = 725,390,365,085.34
  5. Step 5: Solve for x
    x = 725,390,365,085.34/1,079,109.80
  6. Step 6: Final answer
    x = 672,211.82

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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.