Home / 1,782,139.60-2,672,028.60-983,803.60

Finding the Fourth Proportional to 1,782,139.60, 2,672,028.60 and 983,803.60

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Solution

The fourth proportional to 1,782,139.60, 2,672,028.60 and 983,803.60 is: 1,475,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,139.60 : 2,672,028.60 = 983,803.60 : x
  2. Step 2: Convert to fraction form
    1,782,139.60/2,672,028.60 = 983,803.60/x
  3. Step 3: Cross multiply
    1,782,139.60x = 2,672,028.60 × 983,803.60
  4. Step 4: Simplify right side
    1,782,139.60x = 2,628,751,355,982.96
  5. Step 5: Solve for x
    x = 2,628,751,355,982.96/1,782,139.60
  6. Step 6: Final answer
    x = 1,475,053.56

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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.