Home / 749,741.20-1,124,611.80-677,424.40

Finding the Fourth Proportional to 749,741.20, 1,124,611.80 and 677,424.40

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Solution

The fourth proportional to 749,741.20, 1,124,611.80 and 677,424.40 is: 1,016,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,741.20 : 1,124,611.80 = 677,424.40 : x
  2. Step 2: Convert to fraction form
    749,741.20/1,124,611.80 = 677,424.40/x
  3. Step 3: Cross multiply
    749,741.20x = 1,124,611.80 × 677,424.40
  4. Step 4: Simplify right side
    749,741.20x = 761,839,473,847.92
  5. Step 5: Solve for x
    x = 761,839,473,847.92/749,741.20
  6. Step 6: Final answer
    x = 1,016,136.60

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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.