Home / 1,096,450.80-1,512,700.55-660,964.42

Finding the Fourth Proportional to 1,096,450.80, 1,512,700.55 and 660,964.42

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Solution

The fourth proportional to 1,096,450.80, 1,512,700.55 and 660,964.42 is: 911,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,450.80 : 1,512,700.55 = 660,964.42 : x
  2. Step 2: Convert to fraction form
    1,096,450.80/1,512,700.55 = 660,964.42/x
  3. Step 3: Cross multiply
    1,096,450.80x = 1,512,700.55 × 660,964.42
  4. Step 4: Simplify right side
    1,096,450.80x = 999,841,242,729.10
  5. Step 5: Solve for x
    x = 999,841,242,729.10/1,096,450.80
  6. Step 6: Final answer
    x = 911,888.84

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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.