Home / 1,008,486.53-1,391,711.63-549,601.21

Finding the Fourth Proportional to 1,008,486.53, 1,391,711.63 and 549,601.21

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Solution

The fourth proportional to 1,008,486.53, 1,391,711.63 and 549,601.21 is: 758,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,486.53 : 1,391,711.63 = 549,601.21 : x
  2. Step 2: Convert to fraction form
    1,008,486.53/1,391,711.63 = 549,601.21/x
  3. Step 3: Cross multiply
    1,008,486.53x = 1,391,711.63 × 549,601.21
  4. Step 4: Simplify right side
    1,008,486.53x = 764,886,395,819.07
  5. Step 5: Solve for x
    x = 764,886,395,819.07/1,008,486.53
  6. Step 6: Final answer
    x = 758,449.79

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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.