Home / 1,965,421.48-2,946,265.98-768,111.88

Finding the Fourth Proportional to 1,965,421.48, 2,946,265.98 and 768,111.88

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Solution

The fourth proportional to 1,965,421.48, 2,946,265.98 and 768,111.88 is: 1,151,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,421.48 : 2,946,265.98 = 768,111.88 : x
  2. Step 2: Convert to fraction form
    1,965,421.48/2,946,265.98 = 768,111.88/x
  3. Step 3: Cross multiply
    1,965,421.48x = 2,946,265.98 × 768,111.88
  4. Step 4: Simplify right side
    1,965,421.48x = 2,263,061,900,877.84
  5. Step 5: Solve for x
    x = 2,263,061,900,877.84/1,965,421.48
  6. Step 6: Final answer
    x = 1,151,438.47

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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.