Home / 1,074,466.80-1,611,700.20-738,543.60

Finding the Fourth Proportional to 1,074,466.80, 1,611,700.20 and 738,543.60

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Solution

The fourth proportional to 1,074,466.80, 1,611,700.20 and 738,543.60 is: 1,107,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,466.80 : 1,611,700.20 = 738,543.60 : x
  2. Step 2: Convert to fraction form
    1,074,466.80/1,611,700.20 = 738,543.60/x
  3. Step 3: Cross multiply
    1,074,466.80x = 1,611,700.20 × 738,543.60
  4. Step 4: Simplify right side
    1,074,466.80x = 1,190,310,867,828.72
  5. Step 5: Solve for x
    x = 1,190,310,867,828.72/1,074,466.80
  6. Step 6: Final answer
    x = 1,107,815.40

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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.