Home / 1,142,342.34-1,711,644.21-691,698.30

Finding the Fourth Proportional to 1,142,342.34, 1,711,644.21 and 691,698.30

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Solution

The fourth proportional to 1,142,342.34, 1,711,644.21 and 691,698.30 is: 1,036,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,342.34 : 1,711,644.21 = 691,698.30 : x
  2. Step 2: Convert to fraction form
    1,142,342.34/1,711,644.21 = 691,698.30/x
  3. Step 3: Cross multiply
    1,142,342.34x = 1,711,644.21 × 691,698.30
  4. Step 4: Simplify right side
    1,142,342.34x = 1,183,941,390,261.84
  5. Step 5: Solve for x
    x = 1,183,941,390,261.84/1,142,342.34
  6. Step 6: Final answer
    x = 1,036,415.57

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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.