Home / 1,440,345.56-1,987,697.76-795,780.60

Finding the Fourth Proportional to 1,440,345.56, 1,987,697.76 and 795,780.60

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Solution

The fourth proportional to 1,440,345.56, 1,987,697.76 and 795,780.60 is: 1,098,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,345.56 : 1,987,697.76 = 795,780.60 : x
  2. Step 2: Convert to fraction form
    1,440,345.56/1,987,697.76 = 795,780.60/x
  3. Step 3: Cross multiply
    1,440,345.56x = 1,987,697.76 × 795,780.60
  4. Step 4: Simplify right side
    1,440,345.56x = 1,581,771,310,109.68
  5. Step 5: Solve for x
    x = 1,581,771,310,109.68/1,440,345.56
  6. Step 6: Final answer
    x = 1,098,188.77

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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.