Home / 1,558,128.24-2,150,272.44-904,705.20

Finding the Fourth Proportional to 1,558,128.24, 2,150,272.44 and 904,705.20

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Solution

The fourth proportional to 1,558,128.24, 2,150,272.44 and 904,705.20 is: 1,248,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,128.24 : 2,150,272.44 = 904,705.20 : x
  2. Step 2: Convert to fraction form
    1,558,128.24/2,150,272.44 = 904,705.20/x
  3. Step 3: Cross multiply
    1,558,128.24x = 2,150,272.44 × 904,705.20
  4. Step 4: Simplify right side
    1,558,128.24x = 1,945,362,657,884.69
  5. Step 5: Solve for x
    x = 1,945,362,657,884.69/1,558,128.24
  6. Step 6: Final answer
    x = 1,248,525.38

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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.