Home / 1,229,941.78-1,844,122.36-510,779.55

Finding the Fourth Proportional to 1,229,941.78, 1,844,122.36 and 510,779.55

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Solution

The fourth proportional to 1,229,941.78, 1,844,122.36 and 510,779.55 is: 765,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,941.78 : 1,844,122.36 = 510,779.55 : x
  2. Step 2: Convert to fraction form
    1,229,941.78/1,844,122.36 = 510,779.55/x
  3. Step 3: Cross multiply
    1,229,941.78x = 1,844,122.36 × 510,779.55
  4. Step 4: Simplify right side
    1,229,941.78x = 941,939,989,185.74
  5. Step 5: Solve for x
    x = 941,939,989,185.74/1,229,941.78
  6. Step 6: Final answer
    x = 765,841.12

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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.