Home / 1,329,358.02-1,993,839.92-430,879.02

Finding the Fourth Proportional to 1,329,358.02, 1,993,839.92 and 430,879.02

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Solution

The fourth proportional to 1,329,358.02, 1,993,839.92 and 430,879.02 is: 646,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,358.02 : 1,993,839.92 = 430,879.02 : x
  2. Step 2: Convert to fraction form
    1,329,358.02/1,993,839.92 = 430,879.02/x
  3. Step 3: Cross multiply
    1,329,358.02x = 1,993,839.92 × 430,879.02
  4. Step 4: Simplify right side
    1,329,358.02x = 859,103,790,766.48
  5. Step 5: Solve for x
    x = 859,103,790,766.48/1,329,358.02
  6. Step 6: Final answer
    x = 646,254.64

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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.