Home / 1,118,829.31-1,543,579.44-731,865.61

Finding the Fourth Proportional to 1,118,829.31, 1,543,579.44 and 731,865.61

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Solution

The fourth proportional to 1,118,829.31, 1,543,579.44 and 731,865.61 is: 1,009,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,829.31 : 1,543,579.44 = 731,865.61 : x
  2. Step 2: Convert to fraction form
    1,118,829.31/1,543,579.44 = 731,865.61/x
  3. Step 3: Cross multiply
    1,118,829.31x = 1,543,579.44 × 731,865.61
  4. Step 4: Simplify right side
    1,118,829.31x = 1,129,692,708,439.06
  5. Step 5: Solve for x
    x = 1,129,692,708,439.06/1,118,829.31
  6. Step 6: Final answer
    x = 1,009,709.61

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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.