Home / 1,532,500-2,112,788.64-1,072,996.48

Finding the Fourth Proportional to 1,532,500, 2,112,788.64 and 1,072,996.48

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Solution

The fourth proportional to 1,532,500, 2,112,788.64 and 1,072,996.48 is: 1,479,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,500 : 2,112,788.64 = 1,072,996.48 : x
  2. Step 2: Convert to fraction form
    1,532,500/2,112,788.64 = 1,072,996.48/x
  3. Step 3: Cross multiply
    1,532,500x = 2,112,788.64 × 1,072,996.48
  4. Step 4: Simplify right side
    1,532,500x = 2,267,014,773,703.99
  5. Step 5: Solve for x
    x = 2,267,014,773,703.99/1,532,500
  6. Step 6: Final answer
    x = 1,479,291.86

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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.