Home / 1,269,894.60-1,904,841.90-512,099.10

Finding the Fourth Proportional to 1,269,894.60, 1,904,841.90 and 512,099.10

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Solution

The fourth proportional to 1,269,894.60, 1,904,841.90 and 512,099.10 is: 768,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,894.60 : 1,904,841.90 = 512,099.10 : x
  2. Step 2: Convert to fraction form
    1,269,894.60/1,904,841.90 = 512,099.10/x
  3. Step 3: Cross multiply
    1,269,894.60x = 1,904,841.90 × 512,099.10
  4. Step 4: Simplify right side
    1,269,894.60x = 975,467,822,632.29
  5. Step 5: Solve for x
    x = 975,467,822,632.29/1,269,894.60
  6. Step 6: Final answer
    x = 768,148.65

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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.