Home / 1,755,874.64-2,633,792.76-426,178.64

Finding the Fourth Proportional to 1,755,874.64, 2,633,792.76 and 426,178.64

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Solution

The fourth proportional to 1,755,874.64, 2,633,792.76 and 426,178.64 is: 639,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,874.64 : 2,633,792.76 = 426,178.64 : x
  2. Step 2: Convert to fraction form
    1,755,874.64/2,633,792.76 = 426,178.64/x
  3. Step 3: Cross multiply
    1,755,874.64x = 2,633,792.76 × 426,178.64
  4. Step 4: Simplify right side
    1,755,874.64x = 1,122,466,216,498.65
  5. Step 5: Solve for x
    x = 1,122,466,216,498.65/1,755,874.64
  6. Step 6: Final answer
    x = 639,263.30

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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.