Home / 1,418,753.72-1,957,885.08-774,188.12

Finding the Fourth Proportional to 1,418,753.72, 1,957,885.08 and 774,188.12

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Solution

The fourth proportional to 1,418,753.72, 1,957,885.08 and 774,188.12 is: 1,068,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,753.72 : 1,957,885.08 = 774,188.12 : x
  2. Step 2: Convert to fraction form
    1,418,753.72/1,957,885.08 = 774,188.12/x
  3. Step 3: Cross multiply
    1,418,753.72x = 1,957,885.08 × 774,188.12
  4. Step 4: Simplify right side
    1,418,753.72x = 1,515,771,369,261.25
  5. Step 5: Solve for x
    x = 1,515,771,369,261.25/1,418,753.72
  6. Step 6: Final answer
    x = 1,068,382.30

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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.