Home / 1,126,338.81-1,554,403.56-696,842.25

Finding the Fourth Proportional to 1,126,338.81, 1,554,403.56 and 696,842.25

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Solution

The fourth proportional to 1,126,338.81, 1,554,403.56 and 696,842.25 is: 961,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,338.81 : 1,554,403.56 = 696,842.25 : x
  2. Step 2: Convert to fraction form
    1,126,338.81/1,554,403.56 = 696,842.25/x
  3. Step 3: Cross multiply
    1,126,338.81x = 1,554,403.56 × 696,842.25
  4. Step 4: Simplify right side
    1,126,338.81x = 1,083,174,074,158.41
  5. Step 5: Solve for x
    x = 1,083,174,074,158.41/1,126,338.81
  6. Step 6: Final answer
    x = 961,676.95

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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.