Home / 1,054,516.29-1,455,377.31-646,546.02

Finding the Fourth Proportional to 1,054,516.29, 1,455,377.31 and 646,546.02

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Solution

The fourth proportional to 1,054,516.29, 1,455,377.31 and 646,546.02 is: 892,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,516.29 : 1,455,377.31 = 646,546.02 : x
  2. Step 2: Convert to fraction form
    1,054,516.29/1,455,377.31 = 646,546.02/x
  3. Step 3: Cross multiply
    1,054,516.29x = 1,455,377.31 × 646,546.02
  4. Step 4: Simplify right side
    1,054,516.29x = 940,968,407,378.81
  5. Step 5: Solve for x
    x = 940,968,407,378.81/1,054,516.29
  6. Step 6: Final answer
    x = 892,322.31

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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.