Home / 1,405,300.51-2,107,635.40-646,413.13

Finding the Fourth Proportional to 1,405,300.51, 2,107,635.40 and 646,413.13

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Solution

The fourth proportional to 1,405,300.51, 2,107,635.40 and 646,413.13 is: 969,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,300.51 : 2,107,635.40 = 646,413.13 : x
  2. Step 2: Convert to fraction form
    1,405,300.51/2,107,635.40 = 646,413.13/x
  3. Step 3: Cross multiply
    1,405,300.51x = 2,107,635.40 × 646,413.13
  4. Step 4: Simplify right side
    1,405,300.51x = 1,362,403,195,812.80
  5. Step 5: Solve for x
    x = 1,362,403,195,812.80/1,405,300.51
  6. Step 6: Final answer
    x = 969,474.63

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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.