Home / 1,178,855.72-1,768,969.74-495,693.19

Finding the Fourth Proportional to 1,178,855.72, 1,768,969.74 and 495,693.19

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Solution

The fourth proportional to 1,178,855.72, 1,768,969.74 and 495,693.19 is: 743,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,855.72 : 1,768,969.74 = 495,693.19 : x
  2. Step 2: Convert to fraction form
    1,178,855.72/1,768,969.74 = 495,693.19/x
  3. Step 3: Cross multiply
    1,178,855.72x = 1,768,969.74 × 495,693.19
  4. Step 4: Simplify right side
    1,178,855.72x = 876,866,253,434.07
  5. Step 5: Solve for x
    x = 876,866,253,434.07/1,178,855.72
  6. Step 6: Final answer
    x = 743,828.31

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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.