Home / 1,046,629.64-1,444,574.01-638,644.08

Finding the Fourth Proportional to 1,046,629.64, 1,444,574.01 and 638,644.08

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Solution

The fourth proportional to 1,046,629.64, 1,444,574.01 and 638,644.08 is: 881,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,629.64 : 1,444,574.01 = 638,644.08 : x
  2. Step 2: Convert to fraction form
    1,046,629.64/1,444,574.01 = 638,644.08/x
  3. Step 3: Cross multiply
    1,046,629.64x = 1,444,574.01 × 638,644.08
  4. Step 4: Simplify right side
    1,046,629.64x = 922,568,639,608.36
  5. Step 5: Solve for x
    x = 922,568,639,608.36/1,046,629.64
  6. Step 6: Final answer
    x = 881,466.19

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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.