Home / 1,105,126.56-1,655,495.04-851,527.20

Finding the Fourth Proportional to 1,105,126.56, 1,655,495.04 and 851,527.20

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Solution

The fourth proportional to 1,105,126.56, 1,655,495.04 and 851,527.20 is: 1,275,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,126.56 : 1,655,495.04 = 851,527.20 : x
  2. Step 2: Convert to fraction form
    1,105,126.56/1,655,495.04 = 851,527.20/x
  3. Step 3: Cross multiply
    1,105,126.56x = 1,655,495.04 × 851,527.20
  4. Step 4: Simplify right side
    1,105,126.56x = 1,409,699,056,025.09
  5. Step 5: Solve for x
    x = 1,409,699,056,025.09/1,105,126.56
  6. Step 6: Final answer
    x = 1,275,599.65

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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.