Home / 1,139,274.98-1,572,168.36-629,959.94

Finding the Fourth Proportional to 1,139,274.98, 1,572,168.36 and 629,959.94

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Solution

The fourth proportional to 1,139,274.98, 1,572,168.36 and 629,959.94 is: 869,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,274.98 : 1,572,168.36 = 629,959.94 : x
  2. Step 2: Convert to fraction form
    1,139,274.98/1,572,168.36 = 629,959.94/x
  3. Step 3: Cross multiply
    1,139,274.98x = 1,572,168.36 × 629,959.94
  4. Step 4: Simplify right side
    1,139,274.98x = 990,403,085,735.50
  5. Step 5: Solve for x
    x = 990,403,085,735.50/1,139,274.98
  6. Step 6: Final answer
    x = 869,327.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.