Home / 1,150,531.68-1,725,680.88-308,974.08

Finding the Fourth Proportional to 1,150,531.68, 1,725,680.88 and 308,974.08

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Solution

The fourth proportional to 1,150,531.68, 1,725,680.88 and 308,974.08 is: 463,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,531.68 : 1,725,680.88 = 308,974.08 : x
  2. Step 2: Convert to fraction form
    1,150,531.68/1,725,680.88 = 308,974.08/x
  3. Step 3: Cross multiply
    1,150,531.68x = 1,725,680.88 × 308,974.08
  4. Step 4: Simplify right side
    1,150,531.68x = 533,190,662,271.59
  5. Step 5: Solve for x
    x = 533,190,662,271.59/1,150,531.68
  6. Step 6: Final answer
    x = 463,429.80

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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.