Home / 1,440,493.85-1,987,877.43-795,909.45

Finding the Fourth Proportional to 1,440,493.85, 1,987,877.43 and 795,909.45

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Solution

The fourth proportional to 1,440,493.85, 1,987,877.43 and 795,909.45 is: 1,098,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,493.85 : 1,987,877.43 = 795,909.45 : x
  2. Step 2: Convert to fraction form
    1,440,493.85/1,987,877.43 = 795,909.45/x
  3. Step 3: Cross multiply
    1,440,493.85x = 1,987,877.43 × 795,909.45
  4. Step 4: Simplify right side
    1,440,493.85x = 1,582,170,431,978.71
  5. Step 5: Solve for x
    x = 1,582,170,431,978.71/1,440,493.85
  6. Step 6: Final answer
    x = 1,098,352.79

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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.