Home / 1,091,383.26-1,637,063.37-426,529.50

Finding the Fourth Proportional to 1,091,383.26, 1,637,063.37 and 426,529.50

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Solution

The fourth proportional to 1,091,383.26, 1,637,063.37 and 426,529.50 is: 639,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,383.26 : 1,637,063.37 = 426,529.50 : x
  2. Step 2: Convert to fraction form
    1,091,383.26/1,637,063.37 = 426,529.50/x
  3. Step 3: Cross multiply
    1,091,383.26x = 1,637,063.37 × 426,529.50
  4. Step 4: Simplify right side
    1,091,383.26x = 698,255,820,674.42
  5. Step 5: Solve for x
    x = 698,255,820,674.42/1,091,383.26
  6. Step 6: Final answer
    x = 639,789.75

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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.