Home / 1,303,720.38-1,955,496.60-450,768.78

Finding the Fourth Proportional to 1,303,720.38, 1,955,496.60 and 450,768.78

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Solution

The fourth proportional to 1,303,720.38, 1,955,496.60 and 450,768.78 is: 676,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,720.38 : 1,955,496.60 = 450,768.78 : x
  2. Step 2: Convert to fraction form
    1,303,720.38/1,955,496.60 = 450,768.78/x
  3. Step 3: Cross multiply
    1,303,720.38x = 1,955,496.60 × 450,768.78
  4. Step 4: Simplify right side
    1,303,720.38x = 881,476,816,676.15
  5. Step 5: Solve for x
    x = 881,476,816,676.15/1,303,720.38
  6. Step 6: Final answer
    x = 676,124.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.