Home / 1,154,231.20-1,731,346.80-622,790.20

Finding the Fourth Proportional to 1,154,231.20, 1,731,346.80 and 622,790.20

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Solution

The fourth proportional to 1,154,231.20, 1,731,346.80 and 622,790.20 is: 934,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,231.20 : 1,731,346.80 = 622,790.20 : x
  2. Step 2: Convert to fraction form
    1,154,231.20/1,731,346.80 = 622,790.20/x
  3. Step 3: Cross multiply
    1,154,231.20x = 1,731,346.80 × 622,790.20
  4. Step 4: Simplify right side
    1,154,231.20x = 1,078,265,819,841.36
  5. Step 5: Solve for x
    x = 1,078,265,819,841.36/1,154,231.20
  6. Step 6: Final answer
    x = 934,185.30

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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.