Home / 1,206,426.16-1,809,638.08-307,867.91

Finding the Fourth Proportional to 1,206,426.16, 1,809,638.08 and 307,867.91

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Solution

The fourth proportional to 1,206,426.16, 1,809,638.08 and 307,867.91 is: 461,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,426.16 : 1,809,638.08 = 307,867.91 : x
  2. Step 2: Convert to fraction form
    1,206,426.16/1,809,638.08 = 307,867.91/x
  3. Step 3: Cross multiply
    1,206,426.16x = 1,809,638.08 × 307,867.91
  4. Step 4: Simplify right side
    1,206,426.16x = 557,129,483,728.15
  5. Step 5: Solve for x
    x = 557,129,483,728.15/1,206,426.16
  6. Step 6: Final answer
    x = 461,801.56

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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.