Home / 1,095,159.56-1,638,742.79-646,095.56

Finding the Fourth Proportional to 1,095,159.56, 1,638,742.79 and 646,095.56

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Solution

The fourth proportional to 1,095,159.56, 1,638,742.79 and 646,095.56 is: 966,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,159.56 : 1,638,742.79 = 646,095.56 : x
  2. Step 2: Convert to fraction form
    1,095,159.56/1,638,742.79 = 646,095.56/x
  3. Step 3: Cross multiply
    1,095,159.56x = 1,638,742.79 × 646,095.56
  4. Step 4: Simplify right side
    1,095,159.56x = 1,058,784,434,022.54
  5. Step 5: Solve for x
    x = 1,058,784,434,022.54/1,095,159.56
  6. Step 6: Final answer
    x = 966,785.55

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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.