Home / 1,217,021.20-1,825,704.60-375,485.20

Finding the Fourth Proportional to 1,217,021.20, 1,825,704.60 and 375,485.20

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Solution

The fourth proportional to 1,217,021.20, 1,825,704.60 and 375,485.20 is: 563,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,021.20 : 1,825,704.60 = 375,485.20 : x
  2. Step 2: Convert to fraction form
    1,217,021.20/1,825,704.60 = 375,485.20/x
  3. Step 3: Cross multiply
    1,217,021.20x = 1,825,704.60 × 375,485.20
  4. Step 4: Simplify right side
    1,217,021.20x = 685,525,056,871.92
  5. Step 5: Solve for x
    x = 685,525,056,871.92/1,217,021.20
  6. Step 6: Final answer
    x = 563,281.11

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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.