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Finding the Fourth Proportional to 1,148,952.28, 1,724,215.68 and 400,998.28

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Solution

The fourth proportional to 1,148,952.28, 1,724,215.68 and 400,998.28 is: 601,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,952.28 : 1,724,215.68 = 400,998.28 : x
  2. Step 2: Convert to fraction form
    1,148,952.28/1,724,215.68 = 400,998.28/x
  3. Step 3: Cross multiply
    1,148,952.28x = 1,724,215.68 × 400,998.28
  4. Step 4: Simplify right side
    1,148,952.28x = 691,407,522,029.03
  5. Step 5: Solve for x
    x = 691,407,522,029.03/1,148,952.28
  6. Step 6: Final answer
    x = 601,772.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.