Home / 1,531,008-2,296,995.84-689,633.28

Finding the Fourth Proportional to 1,531,008, 2,296,995.84 and 689,633.28

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Solution

The fourth proportional to 1,531,008, 2,296,995.84 and 689,633.28 is: 1,034,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,008 : 2,296,995.84 = 689,633.28 : x
  2. Step 2: Convert to fraction form
    1,531,008/2,296,995.84 = 689,633.28/x
  3. Step 3: Cross multiply
    1,531,008x = 2,296,995.84 × 689,633.28
  4. Step 4: Simplify right side
    1,531,008x = 1,584,084,775,285.56
  5. Step 5: Solve for x
    x = 1,584,084,775,285.56/1,531,008
  6. Step 6: Final answer
    x = 1,034,667.86

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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.