Home / 1,631,917.76-2,252,057.30-1,020,428.46

Finding the Fourth Proportional to 1,631,917.76, 2,252,057.30 and 1,020,428.46

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Solution

The fourth proportional to 1,631,917.76, 2,252,057.30 and 1,020,428.46 is: 1,408,198.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,917.76 : 2,252,057.30 = 1,020,428.46 : x
  2. Step 2: Convert to fraction form
    1,631,917.76/2,252,057.30 = 1,020,428.46/x
  3. Step 3: Cross multiply
    1,631,917.76x = 2,252,057.30 × 1,020,428.46
  4. Step 4: Simplify right side
    1,631,917.76x = 2,298,063,365,021.83
  5. Step 5: Solve for x
    x = 2,298,063,365,021.83/1,631,917.76
  6. Step 6: Final answer
    x = 1,408,198.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.