Home / 1,131,969.03-1,562,994.08-869,909.24

Finding the Fourth Proportional to 1,131,969.03, 1,562,994.08 and 869,909.24

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Solution

The fourth proportional to 1,131,969.03, 1,562,994.08 and 869,909.24 is: 1,201,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,969.03 : 1,562,994.08 = 869,909.24 : x
  2. Step 2: Convert to fraction form
    1,131,969.03/1,562,994.08 = 869,909.24/x
  3. Step 3: Cross multiply
    1,131,969.03x = 1,562,994.08 × 869,909.24
  4. Step 4: Simplify right side
    1,131,969.03x = 1,359,662,980,092.78
  5. Step 5: Solve for x
    x = 1,359,662,980,092.78/1,131,969.03
  6. Step 6: Final answer
    x = 1,201,148.57

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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.