Home / 1,055,405.64-1,456,616.10-668,257.04

Finding the Fourth Proportional to 1,055,405.64, 1,456,616.10 and 668,257.04

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Solution

The fourth proportional to 1,055,405.64, 1,456,616.10 and 668,257.04 is: 922,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,405.64 : 1,456,616.10 = 668,257.04 : x
  2. Step 2: Convert to fraction form
    1,055,405.64/1,456,616.10 = 668,257.04/x
  3. Step 3: Cross multiply
    1,055,405.64x = 1,456,616.10 × 668,257.04
  4. Step 4: Simplify right side
    1,055,405.64x = 973,393,963,402.34
  5. Step 5: Solve for x
    x = 973,393,963,402.34/1,055,405.64
  6. Step 6: Final answer
    x = 922,293.69

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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.