Home / 1,050,938.30-1,450,211.36-687,786.96

Finding the Fourth Proportional to 1,050,938.30, 1,450,211.36 and 687,786.96

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Solution

The fourth proportional to 1,050,938.30, 1,450,211.36 and 687,786.96 is: 949,091.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,938.30 : 1,450,211.36 = 687,786.96 : x
  2. Step 2: Convert to fraction form
    1,050,938.30/1,450,211.36 = 687,786.96/x
  3. Step 3: Cross multiply
    1,050,938.30x = 1,450,211.36 × 687,786.96
  4. Step 4: Simplify right side
    1,050,938.30x = 997,436,462,651.87
  5. Step 5: Solve for x
    x = 997,436,462,651.87/1,050,938.30
  6. Step 6: Final answer
    x = 949,091.36

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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.