Home / 1,462,516.98-2,191,978.65-821,473.18

Finding the Fourth Proportional to 1,462,516.98, 2,191,978.65 and 821,473.18

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Solution

The fourth proportional to 1,462,516.98, 2,191,978.65 and 821,473.18 is: 1,231,200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,516.98 : 2,191,978.65 = 821,473.18 : x
  2. Step 2: Convert to fraction form
    1,462,516.98/2,191,978.65 = 821,473.18/x
  3. Step 3: Cross multiply
    1,462,516.98x = 2,191,978.65 × 821,473.18
  4. Step 4: Simplify right side
    1,462,516.98x = 1,800,651,669,708.18
  5. Step 5: Solve for x
    x = 1,800,651,669,708.18/1,462,516.98
  6. Step 6: Final answer
    x = 1,231,200.53

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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.