Home / 1,804,152.12-2,489,729.77-1,078,999.82

Finding the Fourth Proportional to 1,804,152.12, 2,489,729.77 and 1,078,999.82

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Solution

The fourth proportional to 1,804,152.12, 2,489,729.77 and 1,078,999.82 is: 1,489,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,152.12 : 2,489,729.77 = 1,078,999.82 : x
  2. Step 2: Convert to fraction form
    1,804,152.12/2,489,729.77 = 1,078,999.82/x
  3. Step 3: Cross multiply
    1,804,152.12x = 2,489,729.77 × 1,078,999.82
  4. Step 4: Simplify right side
    1,804,152.12x = 2,686,417,971,915.23
  5. Step 5: Solve for x
    x = 2,686,417,971,915.23/1,804,152.12
  6. Step 6: Final answer
    x = 1,489,019.66

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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.