Home / 1,013,491.82-1,398,618.84-554,606.49

Finding the Fourth Proportional to 1,013,491.82, 1,398,618.84 and 554,606.49

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Solution

The fourth proportional to 1,013,491.82, 1,398,618.84 and 554,606.49 is: 765,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,491.82 : 1,398,618.84 = 554,606.49 : x
  2. Step 2: Convert to fraction form
    1,013,491.82/1,398,618.84 = 554,606.49/x
  3. Step 3: Cross multiply
    1,013,491.82x = 1,398,618.84 × 554,606.49
  4. Step 4: Simplify right side
    1,013,491.82x = 775,683,093,024.87
  5. Step 5: Solve for x
    x = 775,683,093,024.87/1,013,491.82
  6. Step 6: Final answer
    x = 765,357.03

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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.