Home / 1,531,725.26-2,297,586.80-689,292.86

Finding the Fourth Proportional to 1,531,725.26, 2,297,586.80 and 689,292.86

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Solution

The fourth proportional to 1,531,725.26, 2,297,586.80 and 689,292.86 is: 1,033,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,725.26 : 2,297,586.80 = 689,292.86 : x
  2. Step 2: Convert to fraction form
    1,531,725.26/2,297,586.80 = 689,292.86/x
  3. Step 3: Cross multiply
    1,531,725.26x = 2,297,586.80 × 689,292.86
  4. Step 4: Simplify right side
    1,531,725.26x = 1,583,710,176,470.25
  5. Step 5: Solve for x
    x = 1,583,710,176,470.25/1,531,725.26
  6. Step 6: Final answer
    x = 1,033,938.80

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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.