Home / 1,534,122.45-2,116,619.71-889,413.93

Finding the Fourth Proportional to 1,534,122.45, 2,116,619.71 and 889,413.93

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Solution

The fourth proportional to 1,534,122.45, 2,116,619.71 and 889,413.93 is: 1,227,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,122.45 : 2,116,619.71 = 889,413.93 : x
  2. Step 2: Convert to fraction form
    1,534,122.45/2,116,619.71 = 889,413.93/x
  3. Step 3: Cross multiply
    1,534,122.45x = 2,116,619.71 × 889,413.93
  4. Step 4: Simplify right side
    1,534,122.45x = 1,882,551,054,586.56
  5. Step 5: Solve for x
    x = 1,882,551,054,586.56/1,534,122.45
  6. Step 6: Final answer
    x = 1,227,119.16

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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.