Home / 1,500,135.88-2,069,672.76-855,090.76

Finding the Fourth Proportional to 1,500,135.88, 2,069,672.76 and 855,090.76

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Solution

The fourth proportional to 1,500,135.88, 2,069,672.76 and 855,090.76 is: 1,179,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,135.88 : 2,069,672.76 = 855,090.76 : x
  2. Step 2: Convert to fraction form
    1,500,135.88/2,069,672.76 = 855,090.76/x
  3. Step 3: Cross multiply
    1,500,135.88x = 2,069,672.76 × 855,090.76
  4. Step 4: Simplify right side
    1,500,135.88x = 1,769,758,053,299.70
  5. Step 5: Solve for x
    x = 1,769,758,053,299.70/1,500,135.88
  6. Step 6: Final answer
    x = 1,179,731.83

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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.