Home / 1,361,231.40-2,042,624.70-520,386.60

Finding the Fourth Proportional to 1,361,231.40, 2,042,624.70 and 520,386.60

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Solution

The fourth proportional to 1,361,231.40, 2,042,624.70 and 520,386.60 is: 780,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,231.40 : 2,042,624.70 = 520,386.60 : x
  2. Step 2: Convert to fraction form
    1,361,231.40/2,042,624.70 = 520,386.60/x
  3. Step 3: Cross multiply
    1,361,231.40x = 2,042,624.70 × 520,386.60
  4. Step 4: Simplify right side
    1,361,231.40x = 1,062,954,522,709.02
  5. Step 5: Solve for x
    x = 1,062,954,522,709.02/1,361,231.40
  6. Step 6: Final answer
    x = 780,877.17

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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.