Home / 1,013,435.73-1,397,932.02-669,274.83

Finding the Fourth Proportional to 1,013,435.73, 1,397,932.02 and 669,274.83

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Solution

The fourth proportional to 1,013,435.73, 1,397,932.02 and 669,274.83 is: 923,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,435.73 : 1,397,932.02 = 669,274.83 : x
  2. Step 2: Convert to fraction form
    1,013,435.73/1,397,932.02 = 669,274.83/x
  3. Step 3: Cross multiply
    1,013,435.73x = 1,397,932.02 × 669,274.83
  4. Step 4: Simplify right side
    1,013,435.73x = 935,600,715,037.06
  5. Step 5: Solve for x
    x = 935,600,715,037.06/1,013,435.73
  6. Step 6: Final answer
    x = 923,196.89

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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.