Home / 1,260,212.78-1,739,262.78-801,372.89

Finding the Fourth Proportional to 1,260,212.78, 1,739,262.78 and 801,372.89

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Solution

The fourth proportional to 1,260,212.78, 1,739,262.78 and 801,372.89 is: 1,106,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,212.78 : 1,739,262.78 = 801,372.89 : x
  2. Step 2: Convert to fraction form
    1,260,212.78/1,739,262.78 = 801,372.89/x
  3. Step 3: Cross multiply
    1,260,212.78x = 1,739,262.78 × 801,372.89
  4. Step 4: Simplify right side
    1,260,212.78x = 1,393,798,044,826.19
  5. Step 5: Solve for x
    x = 1,393,798,044,826.19/1,260,212.78
  6. Step 6: Final answer
    x = 1,106,002.15

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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.