Home / 1,755,864.64-2,633,777.76-426,168.64

Finding the Fourth Proportional to 1,755,864.64, 2,633,777.76 and 426,168.64

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Solution

The fourth proportional to 1,755,864.64, 2,633,777.76 and 426,168.64 is: 639,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,864.64 : 2,633,777.76 = 426,168.64 : x
  2. Step 2: Convert to fraction form
    1,755,864.64/2,633,777.76 = 426,168.64/x
  3. Step 3: Cross multiply
    1,755,864.64x = 2,633,777.76 × 426,168.64
  4. Step 4: Simplify right side
    1,755,864.64x = 1,122,433,486,041.45
  5. Step 5: Solve for x
    x = 1,122,433,486,041.45/1,755,864.64
  6. Step 6: Final answer
    x = 639,248.30

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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.