Home / 1,208,976.80-1,810,840.80-999,024.80

Finding the Fourth Proportional to 1,208,976.80, 1,810,840.80 and 999,024.80

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Solution

The fourth proportional to 1,208,976.80, 1,810,840.80 and 999,024.80 is: 1,496,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,976.80 : 1,810,840.80 = 999,024.80 : x
  2. Step 2: Convert to fraction form
    1,208,976.80/1,810,840.80 = 999,024.80/x
  3. Step 3: Cross multiply
    1,208,976.80x = 1,810,840.80 × 999,024.80
  4. Step 4: Simplify right side
    1,208,976.80x = 1,809,074,868,051.84
  5. Step 5: Solve for x
    x = 1,809,074,868,051.84/1,208,976.80
  6. Step 6: Final answer
    x = 1,496,368.56

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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.