Home / 1,219,821.47-1,683,363.59-675,966.33

Finding the Fourth Proportional to 1,219,821.47, 1,683,363.59 and 675,966.33

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Solution

The fourth proportional to 1,219,821.47, 1,683,363.59 and 675,966.33 is: 932,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,821.47 : 1,683,363.59 = 675,966.33 : x
  2. Step 2: Convert to fraction form
    1,219,821.47/1,683,363.59 = 675,966.33/x
  3. Step 3: Cross multiply
    1,219,821.47x = 1,683,363.59 × 675,966.33
  4. Step 4: Simplify right side
    1,219,821.47x = 1,137,897,104,608.09
  5. Step 5: Solve for x
    x = 1,137,897,104,608.09/1,219,821.47
  6. Step 6: Final answer
    x = 932,839.06

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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.