Home / 1,401,691.76-1,934,311.56-789,907.04

Finding the Fourth Proportional to 1,401,691.76, 1,934,311.56 and 789,907.04

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Solution

The fourth proportional to 1,401,691.76, 1,934,311.56 and 789,907.04 is: 1,090,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,691.76 : 1,934,311.56 = 789,907.04 : x
  2. Step 2: Convert to fraction form
    1,401,691.76/1,934,311.56 = 789,907.04/x
  3. Step 3: Cross multiply
    1,401,691.76x = 1,934,311.56 × 789,907.04
  4. Step 4: Simplify right side
    1,401,691.76x = 1,527,926,318,797.38
  5. Step 5: Solve for x
    x = 1,527,926,318,797.38/1,401,691.76
  6. Step 6: Final answer
    x = 1,090,058.72

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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.