Home / 1,004,731.23-1,507,146.11-405,617.67

Finding the Fourth Proportional to 1,004,731.23, 1,507,146.11 and 405,617.67

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Solution

The fourth proportional to 1,004,731.23, 1,507,146.11 and 405,617.67 is: 608,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,731.23 : 1,507,146.11 = 405,617.67 : x
  2. Step 2: Convert to fraction form
    1,004,731.23/1,507,146.11 = 405,617.67/x
  3. Step 3: Cross multiply
    1,004,731.23x = 1,507,146.11 × 405,617.67
  4. Step 4: Simplify right side
    1,004,731.23x = 611,325,091,459.68
  5. Step 5: Solve for x
    x = 611,325,091,459.68/1,004,731.23
  6. Step 6: Final answer
    x = 608,446.39

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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.