Home / 1,420,693.21-2,131,356.93-747,092.35

Finding the Fourth Proportional to 1,420,693.21, 2,131,356.93 and 747,092.35

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Solution

The fourth proportional to 1,420,693.21, 2,131,356.93 and 747,092.35 is: 1,120,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,693.21 : 2,131,356.93 = 747,092.35 : x
  2. Step 2: Convert to fraction form
    1,420,693.21/2,131,356.93 = 747,092.35/x
  3. Step 3: Cross multiply
    1,420,693.21x = 2,131,356.93 × 747,092.35
  4. Step 4: Simplify right side
    1,420,693.21x = 1,592,320,457,522.49
  5. Step 5: Solve for x
    x = 1,592,320,457,522.49/1,420,693.21
  6. Step 6: Final answer
    x = 1,120,805.28

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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.