Home / 1,712,992.86-2,362,858.49-1,101,941.42

Finding the Fourth Proportional to 1,712,992.86, 2,362,858.49 and 1,101,941.42

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Solution

The fourth proportional to 1,712,992.86, 2,362,858.49 and 1,101,941.42 is: 1,519,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,992.86 : 2,362,858.49 = 1,101,941.42 : x
  2. Step 2: Convert to fraction form
    1,712,992.86/2,362,858.49 = 1,101,941.42/x
  3. Step 3: Cross multiply
    1,712,992.86x = 2,362,858.49 × 1,101,941.42
  4. Step 4: Simplify right side
    1,712,992.86x = 2,603,731,630,670.22
  5. Step 5: Solve for x
    x = 2,603,731,630,670.22/1,712,992.86
  6. Step 6: Final answer
    x = 1,519,989.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.