Home / 1,447,143.48-2,172,016.26-773,800.34

Finding the Fourth Proportional to 1,447,143.48, 2,172,016.26 and 773,800.34

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Solution

The fourth proportional to 1,447,143.48, 2,172,016.26 and 773,800.34 is: 1,161,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,143.48 : 2,172,016.26 = 773,800.34 : x
  2. Step 2: Convert to fraction form
    1,447,143.48/2,172,016.26 = 773,800.34/x
  3. Step 3: Cross multiply
    1,447,143.48x = 2,172,016.26 × 773,800.34
  4. Step 4: Simplify right side
    1,447,143.48x = 1,680,706,909,613.45
  5. Step 5: Solve for x
    x = 1,680,706,909,613.45/1,447,143.48
  6. Step 6: Final answer
    x = 1,161,396.18

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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.