Home / 1,867,431.31-2,801,852.93-731,005.69

Finding the Fourth Proportional to 1,867,431.31, 2,801,852.93 and 731,005.69

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Solution

The fourth proportional to 1,867,431.31, 2,801,852.93 and 731,005.69 is: 1,096,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,431.31 : 2,801,852.93 = 731,005.69 : x
  2. Step 2: Convert to fraction form
    1,867,431.31/2,801,852.93 = 731,005.69/x
  3. Step 3: Cross multiply
    1,867,431.31x = 2,801,852.93 × 731,005.69
  4. Step 4: Simplify right side
    1,867,431.31x = 2,048,170,430,718.14
  5. Step 5: Solve for x
    x = 2,048,170,430,718.14/1,867,431.31
  6. Step 6: Final answer
    x = 1,096,784.88

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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.