Home / 1,253,270.04-1,729,500.75-680,309.45

Finding the Fourth Proportional to 1,253,270.04, 1,729,500.75 and 680,309.45

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Solution

The fourth proportional to 1,253,270.04, 1,729,500.75 and 680,309.45 is: 938,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,270.04 : 1,729,500.75 = 680,309.45 : x
  2. Step 2: Convert to fraction form
    1,253,270.04/1,729,500.75 = 680,309.45/x
  3. Step 3: Cross multiply
    1,253,270.04x = 1,729,500.75 × 680,309.45
  4. Step 4: Simplify right side
    1,253,270.04x = 1,176,595,695,359.58
  5. Step 5: Solve for x
    x = 1,176,595,695,359.58/1,253,270.04
  6. Step 6: Final answer
    x = 938,820.57

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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.