Home / 1,216,589.34-1,824,987.81-318,029.63

Finding the Fourth Proportional to 1,216,589.34, 1,824,987.81 and 318,029.63

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Solution

The fourth proportional to 1,216,589.34, 1,824,987.81 and 318,029.63 is: 477,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,589.34 : 1,824,987.81 = 318,029.63 : x
  2. Step 2: Convert to fraction form
    1,216,589.34/1,824,987.81 = 318,029.63/x
  3. Step 3: Cross multiply
    1,216,589.34x = 1,824,987.81 × 318,029.63
  4. Step 4: Simplify right side
    1,216,589.34x = 580,400,196,378.66
  5. Step 5: Solve for x
    x = 580,400,196,378.66/1,216,589.34
  6. Step 6: Final answer
    x = 477,071.58

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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.