Home / 1,206,420.55-1,809,629.64-307,862.26

Finding the Fourth Proportional to 1,206,420.55, 1,809,629.64 and 307,862.26

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Solution

The fourth proportional to 1,206,420.55, 1,809,629.64 and 307,862.26 is: 461,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,420.55 : 1,809,629.64 = 307,862.26 : x
  2. Step 2: Convert to fraction form
    1,206,420.55/1,809,629.64 = 307,862.26/x
  3. Step 3: Cross multiply
    1,206,420.55x = 1,809,629.64 × 307,862.26
  4. Step 4: Simplify right side
    1,206,420.55x = 557,116,666,209.31
  5. Step 5: Solve for x
    x = 557,116,666,209.31/1,206,420.55
  6. Step 6: Final answer
    x = 461,793.08

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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.