Home / 854,958.80-1,284,281.40-823,624.40

Finding the Fourth Proportional to 854,958.80, 1,284,281.40 and 823,624.40

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Solution

The fourth proportional to 854,958.80, 1,284,281.40 and 823,624.40 is: 1,237,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,958.80 : 1,284,281.40 = 823,624.40 : x
  2. Step 2: Convert to fraction form
    854,958.80/1,284,281.40 = 823,624.40/x
  3. Step 3: Cross multiply
    854,958.80x = 1,284,281.40 × 823,624.40
  4. Step 4: Simplify right side
    854,958.80x = 1,057,765,497,506.16
  5. Step 5: Solve for x
    x = 1,057,765,497,506.16/854,958.80
  6. Step 6: Final answer
    x = 1,237,212.25

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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.