Home / 1,405,410.48-1,939,467.60-760,836.24

Finding the Fourth Proportional to 1,405,410.48, 1,939,467.60 and 760,836.24

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Solution

The fourth proportional to 1,405,410.48, 1,939,467.60 and 760,836.24 is: 1,049,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,410.48 : 1,939,467.60 = 760,836.24 : x
  2. Step 2: Convert to fraction form
    1,405,410.48/1,939,467.60 = 760,836.24/x
  3. Step 3: Cross multiply
    1,405,410.48x = 1,939,467.60 × 760,836.24
  4. Step 4: Simplify right side
    1,405,410.48x = 1,475,617,236,385.82
  5. Step 5: Solve for x
    x = 1,475,617,236,385.82/1,405,410.48
  6. Step 6: Final answer
    x = 1,049,954.63

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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.