Home / 1,382,015.34-1,907,155.26-770,154.62

Finding the Fourth Proportional to 1,382,015.34, 1,907,155.26 and 770,154.62

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Solution

The fourth proportional to 1,382,015.34, 1,907,155.26 and 770,154.62 is: 1,062,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,015.34 : 1,907,155.26 = 770,154.62 : x
  2. Step 2: Convert to fraction form
    1,382,015.34/1,907,155.26 = 770,154.62/x
  3. Step 3: Cross multiply
    1,382,015.34x = 1,907,155.26 × 770,154.62
  4. Step 4: Simplify right side
    1,382,015.34x = 1,468,804,425,010.53
  5. Step 5: Solve for x
    x = 1,468,804,425,010.53/1,382,015.34
  6. Step 6: Final answer
    x = 1,062,798.93

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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.