Home / 1,551,912.31-2,141,618.36-872,848.81

Finding the Fourth Proportional to 1,551,912.31, 2,141,618.36 and 872,848.81

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Solution

The fourth proportional to 1,551,912.31, 2,141,618.36 and 872,848.81 is: 1,204,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,912.31 : 2,141,618.36 = 872,848.81 : x
  2. Step 2: Convert to fraction form
    1,551,912.31/2,141,618.36 = 872,848.81/x
  3. Step 3: Cross multiply
    1,551,912.31x = 2,141,618.36 × 872,848.81
  4. Step 4: Simplify right side
    1,551,912.31x = 1,869,309,037,000.15
  5. Step 5: Solve for x
    x = 1,869,309,037,000.15/1,551,912.31
  6. Step 6: Final answer
    x = 1,204,519.76

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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.