Home / 1,380,425.28-1,905,322.56-799,554.84

Finding the Fourth Proportional to 1,380,425.28, 1,905,322.56 and 799,554.84

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Solution

The fourth proportional to 1,380,425.28, 1,905,322.56 and 799,554.84 is: 1,103,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,425.28 : 1,905,322.56 = 799,554.84 : x
  2. Step 2: Convert to fraction form
    1,380,425.28/1,905,322.56 = 799,554.84/x
  3. Step 3: Cross multiply
    1,380,425.28x = 1,905,322.56 × 799,554.84
  4. Step 4: Simplify right side
    1,380,425.28x = 1,523,409,874,609.19
  5. Step 5: Solve for x
    x = 1,523,409,874,609.19/1,380,425.28
  6. Step 6: Final answer
    x = 1,103,580.10

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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.