Home / 1,124,425.80-1,686,638.70-746,512.20

Finding the Fourth Proportional to 1,124,425.80, 1,686,638.70 and 746,512.20

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Solution

The fourth proportional to 1,124,425.80, 1,686,638.70 and 746,512.20 is: 1,119,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,425.80 : 1,686,638.70 = 746,512.20 : x
  2. Step 2: Convert to fraction form
    1,124,425.80/1,686,638.70 = 746,512.20/x
  3. Step 3: Cross multiply
    1,124,425.80x = 1,686,638.70 × 746,512.20
  4. Step 4: Simplify right side
    1,124,425.80x = 1,259,096,366,542.14
  5. Step 5: Solve for x
    x = 1,259,096,366,542.14/1,124,425.80
  6. Step 6: Final answer
    x = 1,119,768.30

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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.