Home / 1,067,472.38-1,472,966.40-637,661.27

Finding the Fourth Proportional to 1,067,472.38, 1,472,966.40 and 637,661.27

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Solution

The fourth proportional to 1,067,472.38, 1,472,966.40 and 637,661.27 is: 879,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,472.38 : 1,472,966.40 = 637,661.27 : x
  2. Step 2: Convert to fraction form
    1,067,472.38/1,472,966.40 = 637,661.27/x
  3. Step 3: Cross multiply
    1,067,472.38x = 1,472,966.40 × 637,661.27
  4. Step 4: Simplify right side
    1,067,472.38x = 939,253,631,364.97
  5. Step 5: Solve for x
    x = 939,253,631,364.97/1,067,472.38
  6. Step 6: Final answer
    x = 879,885.65

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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.