Home / 1,489,804.38-2,056,151.40-877,761.51

Finding the Fourth Proportional to 1,489,804.38, 2,056,151.40 and 877,761.51

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Solution

The fourth proportional to 1,489,804.38, 2,056,151.40 and 877,761.51 is: 1,211,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,804.38 : 2,056,151.40 = 877,761.51 : x
  2. Step 2: Convert to fraction form
    1,489,804.38/2,056,151.40 = 877,761.51/x
  3. Step 3: Cross multiply
    1,489,804.38x = 2,056,151.40 × 877,761.51
  4. Step 4: Simplify right side
    1,489,804.38x = 1,804,810,557,652.61
  5. Step 5: Solve for x
    x = 1,804,810,557,652.61/1,489,804.38
  6. Step 6: Final answer
    x = 1,211,441.30

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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.