Home / 1,418,963.40-2,129,757.30-709,500.60

Finding the Fourth Proportional to 1,418,963.40, 2,129,757.30 and 709,500.60

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Solution

The fourth proportional to 1,418,963.40, 2,129,757.30 and 709,500.60 is: 1,064,907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,963.40 : 2,129,757.30 = 709,500.60 : x
  2. Step 2: Convert to fraction form
    1,418,963.40/2,129,757.30 = 709,500.60/x
  3. Step 3: Cross multiply
    1,418,963.40x = 2,129,757.30 × 709,500.60
  4. Step 4: Simplify right side
    1,418,963.40x = 1,511,064,082,204.38
  5. Step 5: Solve for x
    x = 1,511,064,082,204.38/1,418,963.40
  6. Step 6: Final answer
    x = 1,064,907.02

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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.