Home / 1,505,785.76-2,258,388.52-426,290.08

Finding the Fourth Proportional to 1,505,785.76, 2,258,388.52 and 426,290.08

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Solution

The fourth proportional to 1,505,785.76, 2,258,388.52 and 426,290.08 is: 639,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,785.76 : 2,258,388.52 = 426,290.08 : x
  2. Step 2: Convert to fraction form
    1,505,785.76/2,258,388.52 = 426,290.08/x
  3. Step 3: Cross multiply
    1,505,785.76x = 2,258,388.52 × 426,290.08
  4. Step 4: Simplify right side
    1,505,785.76x = 962,728,617,748.77
  5. Step 5: Solve for x
    x = 962,728,617,748.77/1,505,785.76
  6. Step 6: Final answer
    x = 639,352.98

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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.