Home / 1,438,315.08-1,985,620.99-1,050,695.30

Finding the Fourth Proportional to 1,438,315.08, 1,985,620.99 and 1,050,695.30

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Solution

The fourth proportional to 1,438,315.08, 1,985,620.99 and 1,050,695.30 is: 1,450,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,315.08 : 1,985,620.99 = 1,050,695.30 : x
  2. Step 2: Convert to fraction form
    1,438,315.08/1,985,620.99 = 1,050,695.30/x
  3. Step 3: Cross multiply
    1,438,315.08x = 1,985,620.99 × 1,050,695.30
  4. Step 4: Simplify right side
    1,438,315.08x = 2,086,282,634,912.60
  5. Step 5: Solve for x
    x = 2,086,282,634,912.60/1,438,315.08
  6. Step 6: Final answer
    x = 1,450,504.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.