Home / 1,222,649.64-1,833,384.56-512,487

Finding the Fourth Proportional to 1,222,649.64, 1,833,384.56 and 512,487

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Solution

The fourth proportional to 1,222,649.64, 1,833,384.56 and 512,487 is: 768,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,649.64 : 1,833,384.56 = 512,487 : x
  2. Step 2: Convert to fraction form
    1,222,649.64/1,833,384.56 = 512,487/x
  3. Step 3: Cross multiply
    1,222,649.64x = 1,833,384.56 × 512,487
  4. Step 4: Simplify right side
    1,222,649.64x = 939,585,753,000.72
  5. Step 5: Solve for x
    x = 939,585,753,000.72/1,222,649.64
  6. Step 6: Final answer
    x = 768,483.24

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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.