Home / 1,253,009.91-1,729,154.54-680,050.08

Finding the Fourth Proportional to 1,253,009.91, 1,729,154.54 and 680,050.08

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Solution

The fourth proportional to 1,253,009.91, 1,729,154.54 and 680,050.08 is: 938,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,009.91 : 1,729,154.54 = 680,050.08 : x
  2. Step 2: Convert to fraction form
    1,253,009.91/1,729,154.54 = 680,050.08/x
  3. Step 3: Cross multiply
    1,253,009.91x = 1,729,154.54 × 680,050.08
  4. Step 4: Simplify right side
    1,253,009.91x = 1,175,911,681,134.21
  5. Step 5: Solve for x
    x = 1,175,911,681,134.21/1,253,009.91
  6. Step 6: Final answer
    x = 938,469.58

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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.