Home / 1,511,208.60-2,266,812.90-1,314,378.60

Finding the Fourth Proportional to 1,511,208.60, 2,266,812.90 and 1,314,378.60

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Solution

The fourth proportional to 1,511,208.60, 2,266,812.90 and 1,314,378.60 is: 1,971,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,208.60 : 2,266,812.90 = 1,314,378.60 : x
  2. Step 2: Convert to fraction form
    1,511,208.60/2,266,812.90 = 1,314,378.60/x
  3. Step 3: Cross multiply
    1,511,208.60x = 2,266,812.90 × 1,314,378.60
  4. Step 4: Simplify right side
    1,511,208.60x = 2,979,450,365,963.94
  5. Step 5: Solve for x
    x = 2,979,450,365,963.94/1,511,208.60
  6. Step 6: Final answer
    x = 1,971,567.90

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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.