Home / 1,008,455.42-1,391,668.73-549,570.12

Finding the Fourth Proportional to 1,008,455.42, 1,391,668.73 and 549,570.12

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Solution

The fourth proportional to 1,008,455.42, 1,391,668.73 and 549,570.12 is: 758,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,455.42 : 1,391,668.73 = 549,570.12 : x
  2. Step 2: Convert to fraction form
    1,008,455.42/1,391,668.73 = 549,570.12/x
  3. Step 3: Cross multiply
    1,008,455.42x = 1,391,668.73 × 549,570.12
  4. Step 4: Simplify right side
    1,008,455.42x = 764,819,548,198.50
  5. Step 5: Solve for x
    x = 764,819,548,198.50/1,008,455.42
  6. Step 6: Final answer
    x = 758,406.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.