Home / 1,505,786.13-2,258,389.08-426,290.45

Finding the Fourth Proportional to 1,505,786.13, 2,258,389.08 and 426,290.45

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Solution

The fourth proportional to 1,505,786.13, 2,258,389.08 and 426,290.45 is: 639,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,786.13 : 2,258,389.08 = 426,290.45 : x
  2. Step 2: Convert to fraction form
    1,505,786.13/2,258,389.08 = 426,290.45/x
  3. Step 3: Cross multiply
    1,505,786.13x = 2,258,389.08 × 426,290.45
  4. Step 4: Simplify right side
    1,505,786.13x = 962,729,704,432.85
  5. Step 5: Solve for x
    x = 962,729,704,432.85/1,505,786.13
  6. Step 6: Final answer
    x = 639,353.55

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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.