Home / 1,774,494.63-2,661,740.71-426,656.79

Finding the Fourth Proportional to 1,774,494.63, 2,661,740.71 and 426,656.79

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Solution

The fourth proportional to 1,774,494.63, 2,661,740.71 and 426,656.79 is: 639,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,494.63 : 2,661,740.71 = 426,656.79 : x
  2. Step 2: Convert to fraction form
    1,774,494.63/2,661,740.71 = 426,656.79/x
  3. Step 3: Cross multiply
    1,774,494.63x = 2,661,740.71 × 426,656.79
  4. Step 4: Simplify right side
    1,774,494.63x = 1,135,649,746,074.28
  5. Step 5: Solve for x
    x = 1,135,649,746,074.28/1,774,494.63
  6. Step 6: Final answer
    x = 639,984.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.