Home / 1,106,557.80-1,659,609.90-307,638.60

Finding the Fourth Proportional to 1,106,557.80, 1,659,609.90 and 307,638.60

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Solution

The fourth proportional to 1,106,557.80, 1,659,609.90 and 307,638.60 is: 461,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,557.80 : 1,659,609.90 = 307,638.60 : x
  2. Step 2: Convert to fraction form
    1,106,557.80/1,659,609.90 = 307,638.60/x
  3. Step 3: Cross multiply
    1,106,557.80x = 1,659,609.90 × 307,638.60
  4. Step 4: Simplify right side
    1,106,557.80x = 510,560,066,182.14
  5. Step 5: Solve for x
    x = 510,560,066,182.14/1,106,557.80
  6. Step 6: Final answer
    x = 461,394.85

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1.5x scale

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.