Home / 1,488,698.70-2,233,704.15-689,568.90

Finding the Fourth Proportional to 1,488,698.70, 2,233,704.15 and 689,568.90

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Solution

The fourth proportional to 1,488,698.70, 2,233,704.15 and 689,568.90 is: 1,034,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,698.70 : 2,233,704.15 = 689,568.90 : x
  2. Step 2: Convert to fraction form
    1,488,698.70/2,233,704.15 = 689,568.90/x
  3. Step 3: Cross multiply
    1,488,698.70x = 2,233,704.15 × 689,568.90
  4. Step 4: Simplify right side
    1,488,698.70x = 1,540,292,913,640.94
  5. Step 5: Solve for x
    x = 1,540,292,913,640.94/1,488,698.70
  6. Step 6: Final answer
    x = 1,034,657.26

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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.