Home / 1,126,039.16-1,554,045.82-642,677.34

Finding the Fourth Proportional to 1,126,039.16, 1,554,045.82 and 642,677.34

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Solution

The fourth proportional to 1,126,039.16, 1,554,045.82 and 642,677.34 is: 886,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,039.16 : 1,554,045.82 = 642,677.34 : x
  2. Step 2: Convert to fraction form
    1,126,039.16/1,554,045.82 = 642,677.34/x
  3. Step 3: Cross multiply
    1,126,039.16x = 1,554,045.82 × 642,677.34
  4. Step 4: Simplify right side
    1,126,039.16x = 998,750,033,835.72
  5. Step 5: Solve for x
    x = 998,750,033,835.72/1,126,039.16
  6. Step 6: Final answer
    x = 886,958.53

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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.