Home / 1,152,103.72-1,588,723.32-764,782.52

Finding the Fourth Proportional to 1,152,103.72, 1,588,723.32 and 764,782.52

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Solution

The fourth proportional to 1,152,103.72, 1,588,723.32 and 764,782.52 is: 1,054,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,103.72 : 1,588,723.32 = 764,782.52 : x
  2. Step 2: Convert to fraction form
    1,152,103.72/1,588,723.32 = 764,782.52/x
  3. Step 3: Cross multiply
    1,152,103.72x = 1,588,723.32 × 764,782.52
  4. Step 4: Simplify right side
    1,152,103.72x = 1,215,027,824,252.37
  5. Step 5: Solve for x
    x = 1,215,027,824,252.37/1,152,103.72
  6. Step 6: Final answer
    x = 1,054,616.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.