Home / 1,440,115.22-2,157,805.95-492,969.26

Finding the Fourth Proportional to 1,440,115.22, 2,157,805.95 and 492,969.26

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Solution

The fourth proportional to 1,440,115.22, 2,157,805.95 and 492,969.26 is: 738,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,115.22 : 2,157,805.95 = 492,969.26 : x
  2. Step 2: Convert to fraction form
    1,440,115.22/2,157,805.95 = 492,969.26/x
  3. Step 3: Cross multiply
    1,440,115.22x = 2,157,805.95 × 492,969.26
  4. Step 4: Simplify right side
    1,440,115.22x = 1,063,732,002,395.10
  5. Step 5: Solve for x
    x = 1,063,732,002,395.10/1,440,115.22
  6. Step 6: Final answer
    x = 738,643.68

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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.