Home / 1,055,403.64-1,456,613.35-668,255.05

Finding the Fourth Proportional to 1,055,403.64, 1,456,613.35 and 668,255.05

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Solution

The fourth proportional to 1,055,403.64, 1,456,613.35 and 668,255.05 is: 922,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,403.64 : 1,456,613.35 = 668,255.05 : x
  2. Step 2: Convert to fraction form
    1,055,403.64/1,456,613.35 = 668,255.05/x
  3. Step 3: Cross multiply
    1,055,403.64x = 1,456,613.35 × 668,255.05
  4. Step 4: Simplify right side
    1,055,403.64x = 973,389,218,991.60
  5. Step 5: Solve for x
    x = 973,389,218,991.60/1,055,403.64
  6. Step 6: Final answer
    x = 922,290.94

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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.