Home / 1,515,549.60-2,091,475.80-836,486.64

Finding the Fourth Proportional to 1,515,549.60, 2,091,475.80 and 836,486.64

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Solution

The fourth proportional to 1,515,549.60, 2,091,475.80 and 836,486.64 is: 1,154,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,549.60 : 2,091,475.80 = 836,486.64 : x
  2. Step 2: Convert to fraction form
    1,515,549.60/2,091,475.80 = 836,486.64/x
  3. Step 3: Cross multiply
    1,515,549.60x = 2,091,475.80 × 836,486.64
  4. Step 4: Simplify right side
    1,515,549.60x = 1,749,491,564,583.31
  5. Step 5: Solve for x
    x = 1,749,491,564,583.31/1,515,549.60
  6. Step 6: Final answer
    x = 1,154,361.14

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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.