Home / 1,013,437.23-1,397,934.09-669,276.33

Finding the Fourth Proportional to 1,013,437.23, 1,397,934.09 and 669,276.33

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Solution

The fourth proportional to 1,013,437.23, 1,397,934.09 and 669,276.33 is: 923,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,437.23 : 1,397,934.09 = 669,276.33 : x
  2. Step 2: Convert to fraction form
    1,013,437.23/1,397,934.09 = 669,276.33/x
  3. Step 3: Cross multiply
    1,013,437.23x = 1,397,934.09 × 669,276.33
  4. Step 4: Simplify right side
    1,013,437.23x = 935,604,197,337.09
  5. Step 5: Solve for x
    x = 935,604,197,337.09/1,013,437.23
  6. Step 6: Final answer
    x = 923,198.96

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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.