Home / 1,229,037.80-1,843,556.70-980,205.80

Finding the Fourth Proportional to 1,229,037.80, 1,843,556.70 and 980,205.80

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Solution

The fourth proportional to 1,229,037.80, 1,843,556.70 and 980,205.80 is: 1,470,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,037.80 : 1,843,556.70 = 980,205.80 : x
  2. Step 2: Convert to fraction form
    1,229,037.80/1,843,556.70 = 980,205.80/x
  3. Step 3: Cross multiply
    1,229,037.80x = 1,843,556.70 × 980,205.80
  4. Step 4: Simplify right side
    1,229,037.80x = 1,807,064,969,968.86
  5. Step 5: Solve for x
    x = 1,807,064,969,968.86/1,229,037.80
  6. Step 6: Final answer
    x = 1,470,308.70

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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.