Home / 1,064,739.50-1,596,321.93-643,921.82

Finding the Fourth Proportional to 1,064,739.50, 1,596,321.93 and 643,921.82

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Solution

The fourth proportional to 1,064,739.50, 1,596,321.93 and 643,921.82 is: 965,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,739.50 : 1,596,321.93 = 643,921.82 : x
  2. Step 2: Convert to fraction form
    1,064,739.50/1,596,321.93 = 643,921.82/x
  3. Step 3: Cross multiply
    1,064,739.50x = 1,596,321.93 × 643,921.82
  4. Step 4: Simplify right side
    1,064,739.50x = 1,027,906,522,471.51
  5. Step 5: Solve for x
    x = 1,027,906,522,471.51/1,064,739.50
  6. Step 6: Final answer
    x = 965,406.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.