Home / 1,217,668.12-1,826,206.74-507,308.60

Finding the Fourth Proportional to 1,217,668.12, 1,826,206.74 and 507,308.60

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Solution

The fourth proportional to 1,217,668.12, 1,826,206.74 and 507,308.60 is: 760,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,668.12 : 1,826,206.74 = 507,308.60 : x
  2. Step 2: Convert to fraction form
    1,217,668.12/1,826,206.74 = 507,308.60/x
  3. Step 3: Cross multiply
    1,217,668.12x = 1,826,206.74 × 507,308.60
  4. Step 4: Simplify right side
    1,217,668.12x = 926,450,384,579.96
  5. Step 5: Solve for x
    x = 926,450,384,579.96/1,217,668.12
  6. Step 6: Final answer
    x = 760,839.81

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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.