Home / 1,377,858.96-2,066,835.07-479,308.46

Finding the Fourth Proportional to 1,377,858.96, 2,066,835.07 and 479,308.46

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Solution

The fourth proportional to 1,377,858.96, 2,066,835.07 and 479,308.46 is: 718,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,858.96 : 2,066,835.07 = 479,308.46 : x
  2. Step 2: Convert to fraction form
    1,377,858.96/2,066,835.07 = 479,308.46/x
  3. Step 3: Cross multiply
    1,377,858.96x = 2,066,835.07 × 479,308.46
  4. Step 4: Simplify right side
    1,377,858.96x = 990,651,532,079.15
  5. Step 5: Solve for x
    x = 990,651,532,079.15/1,377,858.96
  6. Step 6: Final answer
    x = 718,978.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.