Home / 845,220.72-1,269,410.58-744,054.96

Finding the Fourth Proportional to 845,220.72, 1,269,410.58 and 744,054.96

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Solution

The fourth proportional to 845,220.72, 1,269,410.58 and 744,054.96 is: 1,117,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,220.72 : 1,269,410.58 = 744,054.96 : x
  2. Step 2: Convert to fraction form
    845,220.72/1,269,410.58 = 744,054.96/x
  3. Step 3: Cross multiply
    845,220.72x = 1,269,410.58 × 744,054.96
  4. Step 4: Simplify right side
    845,220.72x = 944,511,238,325.48
  5. Step 5: Solve for x
    x = 944,511,238,325.48/845,220.72
  6. Step 6: Final answer
    x = 1,117,472.89

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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.