Home / 1,876,485.42-2,813,661.69-738,630.90

Finding the Fourth Proportional to 1,876,485.42, 2,813,661.69 and 738,630.90

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Solution

The fourth proportional to 1,876,485.42, 2,813,661.69 and 738,630.90 is: 1,107,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,485.42 : 2,813,661.69 = 738,630.90 : x
  2. Step 2: Convert to fraction form
    1,876,485.42/2,813,661.69 = 738,630.90/x
  3. Step 3: Cross multiply
    1,876,485.42x = 2,813,661.69 × 738,630.90
  4. Step 4: Simplify right side
    1,876,485.42x = 2,078,257,466,380.22
  5. Step 5: Solve for x
    x = 2,078,257,466,380.22/1,876,485.42
  6. Step 6: Final answer
    x = 1,107,526.57

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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.