Home / 1,458,698.70-2,188,048.05-512,165.10

Finding the Fourth Proportional to 1,458,698.70, 2,188,048.05 and 512,165.10

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Solution

The fourth proportional to 1,458,698.70, 2,188,048.05 and 512,165.10 is: 768,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,698.70 : 2,188,048.05 = 512,165.10 : x
  2. Step 2: Convert to fraction form
    1,458,698.70/2,188,048.05 = 512,165.10/x
  3. Step 3: Cross multiply
    1,458,698.70x = 2,188,048.05 × 512,165.10
  4. Step 4: Simplify right side
    1,458,698.70x = 1,120,641,848,333.06
  5. Step 5: Solve for x
    x = 1,120,641,848,333.06/1,458,698.70
  6. Step 6: Final answer
    x = 768,247.65

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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.