Home / 1,376,275.28-1,898,493.88-1,278,852.63

Finding the Fourth Proportional to 1,376,275.28, 1,898,493.88 and 1,278,852.63

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Solution

The fourth proportional to 1,376,275.28, 1,898,493.88 and 1,278,852.63 is: 1,764,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,275.28 : 1,898,493.88 = 1,278,852.63 : x
  2. Step 2: Convert to fraction form
    1,376,275.28/1,898,493.88 = 1,278,852.63/x
  3. Step 3: Cross multiply
    1,376,275.28x = 1,898,493.88 × 1,278,852.63
  4. Step 4: Simplify right side
    1,376,275.28x = 2,427,893,885,082.64
  5. Step 5: Solve for x
    x = 2,427,893,885,082.64/1,376,275.28
  6. Step 6: Final answer
    x = 1,764,104.84

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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.