Home / 1,321,506.78-1,823,620.95-748,535.46

Finding the Fourth Proportional to 1,321,506.78, 1,823,620.95 and 748,535.46

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Solution

The fourth proportional to 1,321,506.78, 1,823,620.95 and 748,535.46 is: 1,032,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,506.78 : 1,823,620.95 = 748,535.46 : x
  2. Step 2: Convert to fraction form
    1,321,506.78/1,823,620.95 = 748,535.46/x
  3. Step 3: Cross multiply
    1,321,506.78x = 1,823,620.95 × 748,535.46
  4. Step 4: Simplify right side
    1,321,506.78x = 1,365,044,946,673.89
  5. Step 5: Solve for x
    x = 1,365,044,946,673.89/1,321,506.78
  6. Step 6: Final answer
    x = 1,032,945.85

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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.