Home / 1,296,983.75-1,776,859.45-1,248,482.60

Finding the Fourth Proportional to 1,296,983.75, 1,776,859.45 and 1,248,482.60

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Solution

The fourth proportional to 1,296,983.75, 1,776,859.45 and 1,248,482.60 is: 1,710,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,983.75 : 1,776,859.45 = 1,248,482.60 : x
  2. Step 2: Convert to fraction form
    1,296,983.75/1,776,859.45 = 1,248,482.60/x
  3. Step 3: Cross multiply
    1,296,983.75x = 1,776,859.45 × 1,248,482.60
  4. Step 4: Simplify right side
    1,296,983.75x = 2,218,378,100,628.29
  5. Step 5: Solve for x
    x = 2,218,378,100,628.29/1,296,983.75
  6. Step 6: Final answer
    x = 1,710,413.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.