Home / 1,418,723.93-1,957,886.28-774,179.49

Finding the Fourth Proportional to 1,418,723.93, 1,957,886.28 and 774,179.49

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Solution

The fourth proportional to 1,418,723.93, 1,957,886.28 and 774,179.49 is: 1,068,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,723.93 : 1,957,886.28 = 774,179.49 : x
  2. Step 2: Convert to fraction form
    1,418,723.93/1,957,886.28 = 774,179.49/x
  3. Step 3: Cross multiply
    1,418,723.93x = 1,957,886.28 × 774,179.49
  4. Step 4: Simplify right side
    1,418,723.93x = 1,515,755,401,728.40
  5. Step 5: Solve for x
    x = 1,515,755,401,728.40/1,418,723.93
  6. Step 6: Final answer
    x = 1,068,393.49

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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.