Home / 1,341,458.43-1,851,211.31-768,500.88

Finding the Fourth Proportional to 1,341,458.43, 1,851,211.31 and 768,500.88

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Solution

The fourth proportional to 1,341,458.43, 1,851,211.31 and 768,500.88 is: 1,060,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,458.43 : 1,851,211.31 = 768,500.88 : x
  2. Step 2: Convert to fraction form
    1,341,458.43/1,851,211.31 = 768,500.88/x
  3. Step 3: Cross multiply
    1,341,458.43x = 1,851,211.31 × 768,500.88
  4. Step 4: Simplify right side
    1,341,458.43x = 1,422,657,516,958.45
  5. Step 5: Solve for x
    x = 1,422,657,516,958.45/1,341,458.43
  6. Step 6: Final answer
    x = 1,060,530.45

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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.