Home / 1,185,588.28-1,635,665.22-777,915.16

Finding the Fourth Proportional to 1,185,588.28, 1,635,665.22 and 777,915.16

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Solution

The fourth proportional to 1,185,588.28, 1,635,665.22 and 777,915.16 is: 1,073,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,588.28 : 1,635,665.22 = 777,915.16 : x
  2. Step 2: Convert to fraction form
    1,185,588.28/1,635,665.22 = 777,915.16/x
  3. Step 3: Cross multiply
    1,185,588.28x = 1,635,665.22 × 777,915.16
  4. Step 4: Simplify right side
    1,185,588.28x = 1,272,408,771,322.74
  5. Step 5: Solve for x
    x = 1,272,408,771,322.74/1,185,588.28
  6. Step 6: Final answer
    x = 1,073,229.88

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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.