Home / 1,642,603.20-2,463,674.40-520,785.60

Finding the Fourth Proportional to 1,642,603.20, 2,463,674.40 and 520,785.60

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Solution

The fourth proportional to 1,642,603.20, 2,463,674.40 and 520,785.60 is: 781,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,603.20 : 2,463,674.40 = 520,785.60 : x
  2. Step 2: Convert to fraction form
    1,642,603.20/2,463,674.40 = 520,785.60/x
  3. Step 3: Cross multiply
    1,642,603.20x = 2,463,674.40 × 520,785.60
  4. Step 4: Simplify right side
    1,642,603.20x = 1,283,046,150,608.64
  5. Step 5: Solve for x
    x = 1,283,046,150,608.64/1,642,603.20
  6. Step 6: Final answer
    x = 781,105.35

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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.