Home / 1,100,787.04-1,519,518.72-738,078.76

Finding the Fourth Proportional to 1,100,787.04, 1,519,518.72 and 738,078.76

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Solution

The fourth proportional to 1,100,787.04, 1,519,518.72 and 738,078.76 is: 1,018,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,787.04 : 1,519,518.72 = 738,078.76 : x
  2. Step 2: Convert to fraction form
    1,100,787.04/1,519,518.72 = 738,078.76/x
  3. Step 3: Cross multiply
    1,100,787.04x = 1,519,518.72 × 738,078.76
  4. Step 4: Simplify right side
    1,100,787.04x = 1,121,524,492,654.39
  5. Step 5: Solve for x
    x = 1,121,524,492,654.39/1,100,787.04
  6. Step 6: Final answer
    x = 1,018,838.75

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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.