Home / 1,227,045.00-1,841,408.34-428,326.68

Finding the Fourth Proportional to 1,227,045.00, 1,841,408.34 and 428,326.68

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Solution

The fourth proportional to 1,227,045.00, 1,841,408.34 and 428,326.68 is: 642,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,045.00 : 1,841,408.34 = 428,326.68 : x
  2. Step 2: Convert to fraction form
    1,227,045.00/1,841,408.34 = 428,326.68/x
  3. Step 3: Cross multiply
    1,227,045.00x = 1,841,408.34 × 428,326.68
  4. Step 4: Simplify right side
    1,227,045.00x = 788,724,326,095.57
  5. Step 5: Solve for x
    x = 788,724,326,095.57/1,227,045.00
  6. Step 6: Final answer
    x = 642,783.54

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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.