Home / 1,992,483.86-2,988,504.30-713,039.72

Finding the Fourth Proportional to 1,992,483.86, 2,988,504.30 and 713,039.72

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Solution

The fourth proportional to 1,992,483.86, 2,988,504.30 and 713,039.72 is: 1,069,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,483.86 : 2,988,504.30 = 713,039.72 : x
  2. Step 2: Convert to fraction form
    1,992,483.86/2,988,504.30 = 713,039.72/x
  3. Step 3: Cross multiply
    1,992,483.86x = 2,988,504.30 × 713,039.72
  4. Step 4: Simplify right side
    1,992,483.86x = 2,130,922,269,290.80
  5. Step 5: Solve for x
    x = 2,130,922,269,290.80/1,992,483.86
  6. Step 6: Final answer
    x = 1,069,480.32

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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.