Home / 1,368,448.20-2,051,289.90-621,030.60

Finding the Fourth Proportional to 1,368,448.20, 2,051,289.90 and 621,030.60

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Solution

The fourth proportional to 1,368,448.20, 2,051,289.90 and 621,030.60 is: 930,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,448.20 : 2,051,289.90 = 621,030.60 : x
  2. Step 2: Convert to fraction form
    1,368,448.20/2,051,289.90 = 621,030.60/x
  3. Step 3: Cross multiply
    1,368,448.20x = 2,051,289.90 × 621,030.60
  4. Step 4: Simplify right side
    1,368,448.20x = 1,273,913,797,370.94
  5. Step 5: Solve for x
    x = 1,273,913,797,370.94/1,368,448.20
  6. Step 6: Final answer
    x = 930,918.54

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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.