Home / 1,458,459.10-2,185,829.70-818,761.60

Finding the Fourth Proportional to 1,458,459.10, 2,185,829.70 and 818,761.60

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Solution

The fourth proportional to 1,458,459.10, 2,185,829.70 and 818,761.60 is: 1,227,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,459.10 : 2,185,829.70 = 818,761.60 : x
  2. Step 2: Convert to fraction form
    1,458,459.10/2,185,829.70 = 818,761.60/x
  3. Step 3: Cross multiply
    1,458,459.10x = 2,185,829.70 × 818,761.60
  4. Step 4: Simplify right side
    1,458,459.10x = 1,789,673,422,499.52
  5. Step 5: Solve for x
    x = 1,789,673,422,499.52/1,458,459.10
  6. Step 6: Final answer
    x = 1,227,098.81

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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.