Home / 1,064,739-1,596,321.18-643,921.32

Finding the Fourth Proportional to 1,064,739, 1,596,321.18 and 643,921.32

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Solution

The fourth proportional to 1,064,739, 1,596,321.18 and 643,921.32 is: 965,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,739 : 1,596,321.18 = 643,921.32 : x
  2. Step 2: Convert to fraction form
    1,064,739/1,596,321.18 = 643,921.32/x
  3. Step 3: Cross multiply
    1,064,739x = 1,596,321.18 × 643,921.32
  4. Step 4: Simplify right side
    1,064,739x = 1,027,905,241,369.56
  5. Step 5: Solve for x
    x = 1,027,905,241,369.56/1,064,739
  6. Step 6: Final answer
    x = 965,405.83

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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.