Home / 1,228,500.63-1,842,751.22-480,021.75

Finding the Fourth Proportional to 1,228,500.63, 1,842,751.22 and 480,021.75

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Solution

The fourth proportional to 1,228,500.63, 1,842,751.22 and 480,021.75 is: 720,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,500.63 : 1,842,751.22 = 480,021.75 : x
  2. Step 2: Convert to fraction form
    1,228,500.63/1,842,751.22 = 480,021.75/x
  3. Step 3: Cross multiply
    1,228,500.63x = 1,842,751.22 × 480,021.75
  4. Step 4: Simplify right side
    1,228,500.63x = 884,560,663,038.93
  5. Step 5: Solve for x
    x = 884,560,663,038.93/1,228,500.63
  6. Step 6: Final answer
    x = 720,032.73

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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.