Home / 1,201,769-1,658,441.24-665,225

Finding the Fourth Proportional to 1,201,769, 1,658,441.24 and 665,225

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Solution

The fourth proportional to 1,201,769, 1,658,441.24 and 665,225 is: 918,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,769 : 1,658,441.24 = 665,225 : x
  2. Step 2: Convert to fraction form
    1,201,769/1,658,441.24 = 665,225/x
  3. Step 3: Cross multiply
    1,201,769x = 1,658,441.24 × 665,225
  4. Step 4: Simplify right side
    1,201,769x = 1,103,236,573,879
  5. Step 5: Solve for x
    x = 1,103,236,573,879/1,201,769
  6. Step 6: Final answer
    x = 918,010.51

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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.