Home / 1,100,423.88-1,650,495.24-426,043.80

Finding the Fourth Proportional to 1,100,423.88, 1,650,495.24 and 426,043.80

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Solution

The fourth proportional to 1,100,423.88, 1,650,495.24 and 426,043.80 is: 639,011.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,423.88 : 1,650,495.24 = 426,043.80 : x
  2. Step 2: Convert to fraction form
    1,100,423.88/1,650,495.24 = 426,043.80/x
  3. Step 3: Cross multiply
    1,100,423.88x = 1,650,495.24 × 426,043.80
  4. Step 4: Simplify right side
    1,100,423.88x = 703,183,263,931.51
  5. Step 5: Solve for x
    x = 703,183,263,931.51/1,100,423.88
  6. Step 6: Final answer
    x = 639,011.27

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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.