Home / 1,206,426.83-1,809,639.06-307,868.57

Finding the Fourth Proportional to 1,206,426.83, 1,809,639.06 and 307,868.57

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Solution

The fourth proportional to 1,206,426.83, 1,809,639.06 and 307,868.57 is: 461,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,426.83 : 1,809,639.06 = 307,868.57 : x
  2. Step 2: Convert to fraction form
    1,206,426.83/1,809,639.06 = 307,868.57/x
  3. Step 3: Cross multiply
    1,206,426.83x = 1,809,639.06 × 307,868.57
  4. Step 4: Simplify right side
    1,206,426.83x = 557,130,980,570.15
  5. Step 5: Solve for x
    x = 557,130,980,570.15/1,206,426.83
  6. Step 6: Final answer
    x = 461,802.55

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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.