Home / 1,252,384.79-1,728,291.69-679,424.90

Finding the Fourth Proportional to 1,252,384.79, 1,728,291.69 and 679,424.90

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Solution

The fourth proportional to 1,252,384.79, 1,728,291.69 and 679,424.90 is: 937,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,384.79 : 1,728,291.69 = 679,424.90 : x
  2. Step 2: Convert to fraction form
    1,252,384.79/1,728,291.69 = 679,424.90/x
  3. Step 3: Cross multiply
    1,252,384.79x = 1,728,291.69 × 679,424.90
  4. Step 4: Simplify right side
    1,252,384.79x = 1,174,244,400,007.62
  5. Step 5: Solve for x
    x = 1,174,244,400,007.62/1,252,384.79
  6. Step 6: Final answer
    x = 937,606.73

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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.