Home / 1,249,213.58-1,873,820.10-681,072.50

Finding the Fourth Proportional to 1,249,213.58, 1,873,820.10 and 681,072.50

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Solution

The fourth proportional to 1,249,213.58, 1,873,820.10 and 681,072.50 is: 1,021,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,213.58 : 1,873,820.10 = 681,072.50 : x
  2. Step 2: Convert to fraction form
    1,249,213.58/1,873,820.10 = 681,072.50/x
  3. Step 3: Cross multiply
    1,249,213.58x = 1,873,820.10 × 681,072.50
  4. Step 4: Simplify right side
    1,249,213.58x = 1,276,207,340,057.25
  5. Step 5: Solve for x
    x = 1,276,207,340,057.25/1,249,213.58
  6. Step 6: Final answer
    x = 1,021,608.60

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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.