Home / 1,904,619.24-2,628,414.18-1,045,129.32

Finding the Fourth Proportional to 1,904,619.24, 2,628,414.18 and 1,045,129.32

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Solution

The fourth proportional to 1,904,619.24, 2,628,414.18 and 1,045,129.32 is: 1,442,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,619.24 : 2,628,414.18 = 1,045,129.32 : x
  2. Step 2: Convert to fraction form
    1,904,619.24/2,628,414.18 = 1,045,129.32/x
  3. Step 3: Cross multiply
    1,904,619.24x = 2,628,414.18 × 1,045,129.32
  4. Step 4: Simplify right side
    1,904,619.24x = 2,747,032,724,621.76
  5. Step 5: Solve for x
    x = 2,747,032,724,621.76/1,904,619.24
  6. Step 6: Final answer
    x = 1,442,300.21

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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.