Home / 1,580,089.96-2,180,508.60-854,921.76

Finding the Fourth Proportional to 1,580,089.96, 2,180,508.60 and 854,921.76

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Solution

The fourth proportional to 1,580,089.96, 2,180,508.60 and 854,921.76 is: 1,179,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,089.96 : 2,180,508.60 = 854,921.76 : x
  2. Step 2: Convert to fraction form
    1,580,089.96/2,180,508.60 = 854,921.76/x
  3. Step 3: Cross multiply
    1,580,089.96x = 2,180,508.60 × 854,921.76
  4. Step 4: Simplify right side
    1,580,089.96x = 1,864,164,250,007.14
  5. Step 5: Solve for x
    x = 1,864,164,250,007.14/1,580,089.96
  6. Step 6: Final answer
    x = 1,179,783.62

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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.