Home / 1,148,809.22-1,721,313.87-698,161.47

Finding the Fourth Proportional to 1,148,809.22, 1,721,313.87 and 698,161.47

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Solution

The fourth proportional to 1,148,809.22, 1,721,313.87 and 698,161.47 is: 1,046,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,809.22 : 1,721,313.87 = 698,161.47 : x
  2. Step 2: Convert to fraction form
    1,148,809.22/1,721,313.87 = 698,161.47/x
  3. Step 3: Cross multiply
    1,148,809.22x = 1,721,313.87 × 698,161.47
  4. Step 4: Simplify right side
    1,148,809.22x = 1,201,755,021,810.59
  5. Step 5: Solve for x
    x = 1,201,755,021,810.59/1,148,809.22
  6. Step 6: Final answer
    x = 1,046,087.55

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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.