Home / 1,138,843.35-1,571,529.06-655,330.50

Finding the Fourth Proportional to 1,138,843.35, 1,571,529.06 and 655,330.50

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Solution

The fourth proportional to 1,138,843.35, 1,571,529.06 and 655,330.50 is: 904,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,843.35 : 1,571,529.06 = 655,330.50 : x
  2. Step 2: Convert to fraction form
    1,138,843.35/1,571,529.06 = 655,330.50/x
  3. Step 3: Cross multiply
    1,138,843.35x = 1,571,529.06 × 655,330.50
  4. Step 4: Simplify right side
    1,138,843.35x = 1,029,870,924,654.33
  5. Step 5: Solve for x
    x = 1,029,870,924,654.33/1,138,843.35
  6. Step 6: Final answer
    x = 904,313.07

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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.