Home / 1,453,404.70-2,181,403.05-853,615.90

Finding the Fourth Proportional to 1,453,404.70, 2,181,403.05 and 853,615.90

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Solution

The fourth proportional to 1,453,404.70, 2,181,403.05 and 853,615.90 is: 1,281,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,404.70 : 2,181,403.05 = 853,615.90 : x
  2. Step 2: Convert to fraction form
    1,453,404.70/2,181,403.05 = 853,615.90/x
  3. Step 3: Cross multiply
    1,453,404.70x = 2,181,403.05 × 853,615.90
  4. Step 4: Simplify right side
    1,453,404.70x = 1,862,080,327,788.50
  5. Step 5: Solve for x
    x = 1,862,080,327,788.50/1,453,404.70
  6. Step 6: Final answer
    x = 1,281,185.02

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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.