Home / 1,252,384.28-1,728,290.96-679,424.40

Finding the Fourth Proportional to 1,252,384.28, 1,728,290.96 and 679,424.40

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Solution

The fourth proportional to 1,252,384.28, 1,728,290.96 and 679,424.40 is: 937,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,384.28 : 1,728,290.96 = 679,424.40 : x
  2. Step 2: Convert to fraction form
    1,252,384.28/1,728,290.96 = 679,424.40/x
  3. Step 3: Cross multiply
    1,252,384.28x = 1,728,290.96 × 679,424.40
  4. Step 4: Simplify right side
    1,252,384.28x = 1,174,243,048,523.42
  5. Step 5: Solve for x
    x = 1,174,243,048,523.42/1,252,384.28
  6. Step 6: Final answer
    x = 937,606.03

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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.