Home / 1,328,947.16-1,834,121.97-748,283.45

Finding the Fourth Proportional to 1,328,947.16, 1,834,121.97 and 748,283.45

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Solution

The fourth proportional to 1,328,947.16, 1,834,121.97 and 748,283.45 is: 1,032,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,947.16 : 1,834,121.97 = 748,283.45 : x
  2. Step 2: Convert to fraction form
    1,328,947.16/1,834,121.97 = 748,283.45/x
  3. Step 3: Cross multiply
    1,328,947.16x = 1,834,121.97 × 748,283.45
  4. Step 4: Simplify right side
    1,328,947.16x = 1,372,443,106,261.79
  5. Step 5: Solve for x
    x = 1,372,443,106,261.79/1,328,947.16
  6. Step 6: Final answer
    x = 1,032,729.63

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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.