Home / 1,755,956.64-2,633,915.76-426,260.64

Finding the Fourth Proportional to 1,755,956.64, 2,633,915.76 and 426,260.64

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Solution

The fourth proportional to 1,755,956.64, 2,633,915.76 and 426,260.64 is: 639,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,956.64 : 2,633,915.76 = 426,260.64 : x
  2. Step 2: Convert to fraction form
    1,755,956.64/2,633,915.76 = 426,260.64/x
  3. Step 3: Cross multiply
    1,755,956.64x = 2,633,915.76 × 426,260.64
  4. Step 4: Simplify right side
    1,755,956.64x = 1,122,734,617,563.69
  5. Step 5: Solve for x
    x = 1,122,734,617,563.69/1,755,956.64
  6. Step 6: Final answer
    x = 639,386.30

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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.