Home / 1,097,693.80-1,646,540.70-761,770.60

Finding the Fourth Proportional to 1,097,693.80, 1,646,540.70 and 761,770.60

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Solution

The fourth proportional to 1,097,693.80, 1,646,540.70 and 761,770.60 is: 1,142,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,693.80 : 1,646,540.70 = 761,770.60 : x
  2. Step 2: Convert to fraction form
    1,097,693.80/1,646,540.70 = 761,770.60/x
  3. Step 3: Cross multiply
    1,097,693.80x = 1,646,540.70 × 761,770.60
  4. Step 4: Simplify right side
    1,097,693.80x = 1,254,286,296,963.42
  5. Step 5: Solve for x
    x = 1,254,286,296,963.42/1,097,693.80
  6. Step 6: Final answer
    x = 1,142,655.90

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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.