Home / 1,616,816.72-2,423,069.79-764,114.54

Finding the Fourth Proportional to 1,616,816.72, 2,423,069.79 and 764,114.54

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Solution

The fourth proportional to 1,616,816.72, 2,423,069.79 and 764,114.54 is: 1,145,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,816.72 : 2,423,069.79 = 764,114.54 : x
  2. Step 2: Convert to fraction form
    1,616,816.72/2,423,069.79 = 764,114.54/x
  3. Step 3: Cross multiply
    1,616,816.72x = 2,423,069.79 × 764,114.54
  4. Step 4: Simplify right side
    1,616,816.72x = 1,851,502,845,858.40
  5. Step 5: Solve for x
    x = 1,851,502,845,858.40/1,616,816.72
  6. Step 6: Final answer
    x = 1,145,153.21

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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.