Home / 1,457,115.12-2,184,349.46-509,969.16

Finding the Fourth Proportional to 1,457,115.12, 2,184,349.46 and 509,969.16

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Solution

The fourth proportional to 1,457,115.12, 2,184,349.46 and 509,969.16 is: 764,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,115.12 : 2,184,349.46 = 509,969.16 : x
  2. Step 2: Convert to fraction form
    1,457,115.12/2,184,349.46 = 509,969.16/x
  3. Step 3: Cross multiply
    1,457,115.12x = 2,184,349.46 × 509,969.16
  4. Step 4: Simplify right side
    1,457,115.12x = 1,113,950,859,262.65
  5. Step 5: Solve for x
    x = 1,113,950,859,262.65/1,457,115.12
  6. Step 6: Final answer
    x = 764,490.63

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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.