Home / 845,309.76-1,166,703.53-777,218.42

Finding the Fourth Proportional to 845,309.76, 1,166,703.53 and 777,218.42

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Solution

The fourth proportional to 845,309.76, 1,166,703.53 and 777,218.42 is: 1,072,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,309.76 : 1,166,703.53 = 777,218.42 : x
  2. Step 2: Convert to fraction form
    845,309.76/1,166,703.53 = 777,218.42/x
  3. Step 3: Cross multiply
    845,309.76x = 1,166,703.53 × 777,218.42
  4. Step 4: Simplify right side
    845,309.76x = 906,783,464,475.41
  5. Step 5: Solve for x
    x = 906,783,464,475.41/845,309.76
  6. Step 6: Final answer
    x = 1,072,723.29

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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.