Home / 1,062,942.60-1,594,511.10-431,725.80

Finding the Fourth Proportional to 1,062,942.60, 1,594,511.10 and 431,725.80

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Solution

The fourth proportional to 1,062,942.60, 1,594,511.10 and 431,725.80 is: 647,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,942.60 : 1,594,511.10 = 431,725.80 : x
  2. Step 2: Convert to fraction form
    1,062,942.60/1,594,511.10 = 431,725.80/x
  3. Step 3: Cross multiply
    1,062,942.60x = 1,594,511.10 × 431,725.80
  4. Step 4: Simplify right side
    1,062,942.60x = 688,391,580,256.38
  5. Step 5: Solve for x
    x = 688,391,580,256.38/1,062,942.60
  6. Step 6: Final answer
    x = 647,628.18

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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.