Home / 989,956.46-1,366,160.37-560,236.52

Finding the Fourth Proportional to 989,956.46, 1,366,160.37 and 560,236.52

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Solution

The fourth proportional to 989,956.46, 1,366,160.37 and 560,236.52 is: 773,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,956.46 : 1,366,160.37 = 560,236.52 : x
  2. Step 2: Convert to fraction form
    989,956.46/1,366,160.37 = 560,236.52/x
  3. Step 3: Cross multiply
    989,956.46x = 1,366,160.37 × 560,236.52
  4. Step 4: Simplify right side
    989,956.46x = 765,372,931,450.71
  5. Step 5: Solve for x
    x = 765,372,931,450.71/989,956.46
  6. Step 6: Final answer
    x = 773,137.97

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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.