Home / 1,380,603.90-2,070,060.21-538,171.50

Finding the Fourth Proportional to 1,380,603.90, 2,070,060.21 and 538,171.50

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Solution

The fourth proportional to 1,380,603.90, 2,070,060.21 and 538,171.50 is: 806,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,603.90 : 2,070,060.21 = 538,171.50 : x
  2. Step 2: Convert to fraction form
    1,380,603.90/2,070,060.21 = 538,171.50/x
  3. Step 3: Cross multiply
    1,380,603.90x = 2,070,060.21 × 538,171.50
  4. Step 4: Simplify right side
    1,380,603.90x = 1,114,047,408,306.01
  5. Step 5: Solve for x
    x = 1,114,047,408,306.01/1,380,603.90
  6. Step 6: Final answer
    x = 806,927.61

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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.