Home / 1,008,108.59-1,391,185.66-549,221.74

Finding the Fourth Proportional to 1,008,108.59, 1,391,185.66 and 549,221.74

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Solution

The fourth proportional to 1,008,108.59, 1,391,185.66 and 549,221.74 is: 757,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,108.59 : 1,391,185.66 = 549,221.74 : x
  2. Step 2: Convert to fraction form
    1,008,108.59/1,391,185.66 = 549,221.74/x
  3. Step 3: Cross multiply
    1,008,108.59x = 1,391,185.66 × 549,221.74
  4. Step 4: Simplify right side
    1,008,108.59x = 764,069,401,892.32
  5. Step 5: Solve for x
    x = 764,069,401,892.32/1,008,108.59
  6. Step 6: Final answer
    x = 757,923.71

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Double scale
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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.