Home / 1,245,126.84-1,729,875.21-1,230,196.92

Finding the Fourth Proportional to 1,245,126.84, 1,729,875.21 and 1,230,196.92

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Solution

The fourth proportional to 1,245,126.84, 1,729,875.21 and 1,230,196.92 is: 1,709,132.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,126.84 : 1,729,875.21 = 1,230,196.92 : x
  2. Step 2: Convert to fraction form
    1,245,126.84/1,729,875.21 = 1,230,196.92/x
  3. Step 3: Cross multiply
    1,245,126.84x = 1,729,875.21 × 1,230,196.92
  4. Step 4: Simplify right side
    1,245,126.84x = 2,128,087,155,326.35
  5. Step 5: Solve for x
    x = 2,128,087,155,326.35/1,245,126.84
  6. Step 6: Final answer
    x = 1,709,132.83

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.