Home / 1,321,029.01-1,823,029.37-717,417.01

Finding the Fourth Proportional to 1,321,029.01, 1,823,029.37 and 717,417.01

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Solution

The fourth proportional to 1,321,029.01, 1,823,029.37 and 717,417.01 is: 990,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,029.01 : 1,823,029.37 = 717,417.01 : x
  2. Step 2: Convert to fraction form
    1,321,029.01/1,823,029.37 = 717,417.01/x
  3. Step 3: Cross multiply
    1,321,029.01x = 1,823,029.37 × 717,417.01
  4. Step 4: Simplify right side
    1,321,029.01x = 1,307,872,279,767.58
  5. Step 5: Solve for x
    x = 1,307,872,279,767.58/1,321,029.01
  6. Step 6: Final answer
    x = 990,040.54

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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.