Home / 1,008,645.96-1,391,919.18-549,759.12

Finding the Fourth Proportional to 1,008,645.96, 1,391,919.18 and 549,759.12

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Solution

The fourth proportional to 1,008,645.96, 1,391,919.18 and 549,759.12 is: 758,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,645.96 : 1,391,919.18 = 549,759.12 : x
  2. Step 2: Convert to fraction form
    1,008,645.96/1,391,919.18 = 549,759.12/x
  3. Step 3: Cross multiply
    1,008,645.96x = 1,391,919.18 × 549,759.12
  4. Step 4: Simplify right side
    1,008,645.96x = 765,220,263,507.92
  5. Step 5: Solve for x
    x = 765,220,263,507.92/1,008,645.96
  6. Step 6: Final answer
    x = 758,660.91

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Double scale
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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.