Home / 1,438,338.45-1,985,653.38-1,050,718.65

Finding the Fourth Proportional to 1,438,338.45, 1,985,653.38 and 1,050,718.65

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Solution

The fourth proportional to 1,438,338.45, 1,985,653.38 and 1,050,718.65 is: 1,450,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,338.45 : 1,985,653.38 = 1,050,718.65 : x
  2. Step 2: Convert to fraction form
    1,438,338.45/1,985,653.38 = 1,050,718.65/x
  3. Step 3: Cross multiply
    1,438,338.45x = 1,985,653.38 × 1,050,718.65
  4. Step 4: Simplify right side
    1,438,338.45x = 2,086,363,038,801.54
  5. Step 5: Solve for x
    x = 2,086,363,038,801.54/1,438,338.45
  6. Step 6: Final answer
    x = 1,450,536.93

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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.