Home / 1,050,995.25-1,450,609.70-688,208.40

Finding the Fourth Proportional to 1,050,995.25, 1,450,609.70 and 688,208.40

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Solution

The fourth proportional to 1,050,995.25, 1,450,609.70 and 688,208.40 is: 949,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,995.25 : 1,450,609.70 = 688,208.40 : x
  2. Step 2: Convert to fraction form
    1,050,995.25/1,450,609.70 = 688,208.40/x
  3. Step 3: Cross multiply
    1,050,995.25x = 1,450,609.70 × 688,208.40
  4. Step 4: Simplify right side
    1,050,995.25x = 998,321,777,220.44
  5. Step 5: Solve for x
    x = 998,321,777,220.44/1,050,995.25
  6. Step 6: Final answer
    x = 949,882.29

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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.