Home / 1,542,222.59-2,128,266.90-863,159.09

Finding the Fourth Proportional to 1,542,222.59, 2,128,266.90 and 863,159.09

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Solution

The fourth proportional to 1,542,222.59, 2,128,266.90 and 863,159.09 is: 1,191,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,222.59 : 2,128,266.90 = 863,159.09 : x
  2. Step 2: Convert to fraction form
    1,542,222.59/2,128,266.90 = 863,159.09/x
  3. Step 3: Cross multiply
    1,542,222.59x = 2,128,266.90 × 863,159.09
  4. Step 4: Simplify right side
    1,542,222.59x = 1,837,032,910,039.79
  5. Step 5: Solve for x
    x = 1,837,032,910,039.79/1,542,222.59
  6. Step 6: Final answer
    x = 1,191,159.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.