Home / 1,382,023.39-1,907,166.47-770,162.75

Finding the Fourth Proportional to 1,382,023.39, 1,907,166.47 and 770,162.75

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Solution

The fourth proportional to 1,382,023.39, 1,907,166.47 and 770,162.75 is: 1,062,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,023.39 : 1,907,166.47 = 770,162.75 : x
  2. Step 2: Convert to fraction form
    1,382,023.39/1,907,166.47 = 770,162.75/x
  3. Step 3: Cross multiply
    1,382,023.39x = 1,907,166.47 × 770,162.75
  4. Step 4: Simplify right side
    1,382,023.39x = 1,468,828,573,242.99
  5. Step 5: Solve for x
    x = 1,468,828,573,242.99/1,382,023.39
  6. Step 6: Final answer
    x = 1,062,810.22

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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.