Home / 929,611.40-1,394,417.10-890,245.40

Finding the Fourth Proportional to 929,611.40, 1,394,417.10 and 890,245.40

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Solution

The fourth proportional to 929,611.40, 1,394,417.10 and 890,245.40 is: 1,335,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,611.40 : 1,394,417.10 = 890,245.40 : x
  2. Step 2: Convert to fraction form
    929,611.40/1,394,417.10 = 890,245.40/x
  3. Step 3: Cross multiply
    929,611.40x = 1,394,417.10 × 890,245.40
  4. Step 4: Simplify right side
    929,611.40x = 1,241,373,408,956.34
  5. Step 5: Solve for x
    x = 1,241,373,408,956.34/929,611.40
  6. Step 6: Final answer
    x = 1,335,368.10

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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.