Home / 1,458,662.40-2,013,217.63-869,999.61

Finding the Fourth Proportional to 1,458,662.40, 2,013,217.63 and 869,999.61

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Solution

The fourth proportional to 1,458,662.40, 2,013,217.63 and 869,999.61 is: 1,200,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,662.40 : 2,013,217.63 = 869,999.61 : x
  2. Step 2: Convert to fraction form
    1,458,662.40/2,013,217.63 = 869,999.61/x
  3. Step 3: Cross multiply
    1,458,662.40x = 2,013,217.63 × 869,999.61
  4. Step 4: Simplify right side
    1,458,662.40x = 1,751,498,550,770.13
  5. Step 5: Solve for x
    x = 1,751,498,550,770.13/1,458,662.40
  6. Step 6: Final answer
    x = 1,200,756.63

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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.