Home / 1,013,438.23-1,397,935.47-669,277.33

Finding the Fourth Proportional to 1,013,438.23, 1,397,935.47 and 669,277.33

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Solution

The fourth proportional to 1,013,438.23, 1,397,935.47 and 669,277.33 is: 923,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,438.23 : 1,397,935.47 = 669,277.33 : x
  2. Step 2: Convert to fraction form
    1,013,438.23/1,397,935.47 = 669,277.33/x
  3. Step 3: Cross multiply
    1,013,438.23x = 1,397,935.47 × 669,277.33
  4. Step 4: Simplify right side
    1,013,438.23x = 935,606,518,873.90
  5. Step 5: Solve for x
    x = 935,606,518,873.90/1,013,438.23
  6. Step 6: Final answer
    x = 923,200.34

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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.