Home / 1,121,880.56-1,548,317.06-692,149.64

Finding the Fourth Proportional to 1,121,880.56, 1,548,317.06 and 692,149.64

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Solution

The fourth proportional to 1,121,880.56, 1,548,317.06 and 692,149.64 is: 955,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,880.56 : 1,548,317.06 = 692,149.64 : x
  2. Step 2: Convert to fraction form
    1,121,880.56/1,548,317.06 = 692,149.64/x
  3. Step 3: Cross multiply
    1,121,880.56x = 1,548,317.06 × 692,149.64
  4. Step 4: Simplify right side
    1,121,880.56x = 1,071,667,095,684.86
  5. Step 5: Solve for x
    x = 1,071,667,095,684.86/1,121,880.56
  6. Step 6: Final answer
    x = 955,241.70

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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.