Home / 1,319,821.85-1,821,354.15-716,209.85

Finding the Fourth Proportional to 1,319,821.85, 1,821,354.15 and 716,209.85

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Solution

The fourth proportional to 1,319,821.85, 1,821,354.15 and 716,209.85 is: 988,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,821.85 : 1,821,354.15 = 716,209.85 : x
  2. Step 2: Convert to fraction form
    1,319,821.85/1,821,354.15 = 716,209.85/x
  3. Step 3: Cross multiply
    1,319,821.85x = 1,821,354.15 × 716,209.85
  4. Step 4: Simplify right side
    1,319,821.85x = 1,304,471,769,880.56
  5. Step 5: Solve for x
    x = 1,304,471,769,880.56/1,319,821.85
  6. Step 6: Final answer
    x = 988,369.59

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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.