Home / 1,200,065.56-1,800,100.10-490,093.64

Finding the Fourth Proportional to 1,200,065.56, 1,800,100.10 and 490,093.64

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Solution

The fourth proportional to 1,200,065.56, 1,800,100.10 and 490,093.64 is: 735,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,065.56 : 1,800,100.10 = 490,093.64 : x
  2. Step 2: Convert to fraction form
    1,200,065.56/1,800,100.10 = 490,093.64/x
  3. Step 3: Cross multiply
    1,200,065.56x = 1,800,100.10 × 490,093.64
  4. Step 4: Simplify right side
    1,200,065.56x = 882,217,610,373.36
  5. Step 5: Solve for x
    x = 882,217,610,373.36/1,200,065.56
  6. Step 6: Final answer
    x = 735,141.18

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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.