Home / 1,421,670.38-2,132,878.97-510,944.76

Finding the Fourth Proportional to 1,421,670.38, 2,132,878.97 and 510,944.76

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Solution

The fourth proportional to 1,421,670.38, 2,132,878.97 and 510,944.76 is: 766,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,670.38 : 2,132,878.97 = 510,944.76 : x
  2. Step 2: Convert to fraction form
    1,421,670.38/2,132,878.97 = 510,944.76/x
  3. Step 3: Cross multiply
    1,421,670.38x = 2,132,878.97 × 510,944.76
  4. Step 4: Simplify right side
    1,421,670.38x = 1,089,783,334,713.06
  5. Step 5: Solve for x
    x = 1,089,783,334,713.06/1,421,670.38
  6. Step 6: Final answer
    x = 766,551.34

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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.