Home / 1,008,175.12-1,391,268.85-549,308.79

Finding the Fourth Proportional to 1,008,175.12, 1,391,268.85 and 549,308.79

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Solution

The fourth proportional to 1,008,175.12, 1,391,268.85 and 549,308.79 is: 758,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,175.12 : 1,391,268.85 = 549,308.79 : x
  2. Step 2: Convert to fraction form
    1,008,175.12/1,391,268.85 = 549,308.79/x
  3. Step 3: Cross multiply
    1,008,175.12x = 1,391,268.85 × 549,308.79
  4. Step 4: Simplify right side
    1,008,175.12x = 764,236,207,184.92
  5. Step 5: Solve for x
    x = 764,236,207,184.92/1,008,175.12
  6. Step 6: Final answer
    x = 758,039.15

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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.