Home / 1,275,100.05-1,759,650.89-702,142.50

Finding the Fourth Proportional to 1,275,100.05, 1,759,650.89 and 702,142.50

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Solution

The fourth proportional to 1,275,100.05, 1,759,650.89 and 702,142.50 is: 968,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,100.05 : 1,759,650.89 = 702,142.50 : x
  2. Step 2: Convert to fraction form
    1,275,100.05/1,759,650.89 = 702,142.50/x
  3. Step 3: Cross multiply
    1,275,100.05x = 1,759,650.89 × 702,142.50
  4. Step 4: Simplify right side
    1,275,100.05x = 1,235,525,675,031.83
  5. Step 5: Solve for x
    x = 1,235,525,675,031.83/1,275,100.05
  6. Step 6: Final answer
    x = 968,963.71

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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.