Home / 1,124,320.80-1,684,512.90-923,554.20

Finding the Fourth Proportional to 1,124,320.80, 1,684,512.90 and 923,554.20

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Solution

The fourth proportional to 1,124,320.80, 1,684,512.90 and 923,554.20 is: 1,383,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,320.80 : 1,684,512.90 = 923,554.20 : x
  2. Step 2: Convert to fraction form
    1,124,320.80/1,684,512.90 = 923,554.20/x
  3. Step 3: Cross multiply
    1,124,320.80x = 1,684,512.90 × 923,554.20
  4. Step 4: Simplify right side
    1,124,320.80x = 1,555,738,963,749.18
  5. Step 5: Solve for x
    x = 1,555,738,963,749.18/1,124,320.80
  6. Step 6: Final answer
    x = 1,383,714.47

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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.