Home / 1,178,131.80-1,625,829.66-668,842.68

Finding the Fourth Proportional to 1,178,131.80, 1,625,829.66 and 668,842.68

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Solution

The fourth proportional to 1,178,131.80, 1,625,829.66 and 668,842.68 is: 923,007.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,131.80 : 1,625,829.66 = 668,842.68 : x
  2. Step 2: Convert to fraction form
    1,178,131.80/1,625,829.66 = 668,842.68/x
  3. Step 3: Cross multiply
    1,178,131.80x = 1,625,829.66 × 668,842.68
  4. Step 4: Simplify right side
    1,178,131.80x = 1,087,424,267,017.89
  5. Step 5: Solve for x
    x = 1,087,424,267,017.89/1,178,131.80
  6. Step 6: Final answer
    x = 923,007.31

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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.