Home / 1,187,859.84-1,639,484.76-704,693.22

Finding the Fourth Proportional to 1,187,859.84, 1,639,484.76 and 704,693.22

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Solution

The fourth proportional to 1,187,859.84, 1,639,484.76 and 704,693.22 is: 972,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,859.84 : 1,639,484.76 = 704,693.22 : x
  2. Step 2: Convert to fraction form
    1,187,859.84/1,639,484.76 = 704,693.22/x
  3. Step 3: Cross multiply
    1,187,859.84x = 1,639,484.76 × 704,693.22
  4. Step 4: Simplify right side
    1,187,859.84x = 1,155,333,794,665.33
  5. Step 5: Solve for x
    x = 1,155,333,794,665.33/1,187,859.84
  6. Step 6: Final answer
    x = 972,617.94

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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.