Home / 1,418,736.20-2,128,106.73-1,136,223.59

Finding the Fourth Proportional to 1,418,736.20, 2,128,106.73 and 1,136,223.59

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Solution

The fourth proportional to 1,418,736.20, 2,128,106.73 and 1,136,223.59 is: 1,704,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,736.20 : 2,128,106.73 = 1,136,223.59 : x
  2. Step 2: Convert to fraction form
    1,418,736.20/2,128,106.73 = 1,136,223.59/x
  3. Step 3: Cross multiply
    1,418,736.20x = 2,128,106.73 × 1,136,223.59
  4. Step 4: Simplify right side
    1,418,736.20x = 2,418,005,068,663.76
  5. Step 5: Solve for x
    x = 2,418,005,068,663.76/1,418,736.20
  6. Step 6: Final answer
    x = 1,704,337.33

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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.