Home / 1,341,458.20-1,851,207.78-768,496.60

Finding the Fourth Proportional to 1,341,458.20, 1,851,207.78 and 768,496.60

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Solution

The fourth proportional to 1,341,458.20, 1,851,207.78 and 768,496.60 is: 1,060,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,458.20 : 1,851,207.78 = 768,496.60 : x
  2. Step 2: Convert to fraction form
    1,341,458.20/1,851,207.78 = 768,496.60/x
  3. Step 3: Cross multiply
    1,341,458.20x = 1,851,207.78 × 768,496.60
  4. Step 4: Simplify right side
    1,341,458.20x = 1,422,646,884,823.55
  5. Step 5: Solve for x
    x = 1,422,646,884,823.55/1,341,458.20
  6. Step 6: Final answer
    x = 1,060,522.71

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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.