Home / 1,154,245.72-1,592,867.10-644,969.56

Finding the Fourth Proportional to 1,154,245.72, 1,592,867.10 and 644,969.56

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Solution

The fourth proportional to 1,154,245.72, 1,592,867.10 and 644,969.56 is: 890,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,245.72 : 1,592,867.10 = 644,969.56 : x
  2. Step 2: Convert to fraction form
    1,154,245.72/1,592,867.10 = 644,969.56/x
  3. Step 3: Cross multiply
    1,154,245.72x = 1,592,867.10 × 644,969.56
  4. Step 4: Simplify right side
    1,154,245.72x = 1,027,350,792,625.48
  5. Step 5: Solve for x
    x = 1,027,350,792,625.48/1,154,245.72
  6. Step 6: Final answer
    x = 890,062.47

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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.