Home / 1,215,063.78-1,676,803.59-671,197.38

Finding the Fourth Proportional to 1,215,063.78, 1,676,803.59 and 671,197.38

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Solution

The fourth proportional to 1,215,063.78, 1,676,803.59 and 671,197.38 is: 926,260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,063.78 : 1,676,803.59 = 671,197.38 : x
  2. Step 2: Convert to fraction form
    1,215,063.78/1,676,803.59 = 671,197.38/x
  3. Step 3: Cross multiply
    1,215,063.78x = 1,676,803.59 × 671,197.38
  4. Step 4: Simplify right side
    1,215,063.78x = 1,125,466,176,382.59
  5. Step 5: Solve for x
    x = 1,125,466,176,382.59/1,215,063.78
  6. Step 6: Final answer
    x = 926,260.99

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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.