Home / 1,545,512.40-2,318,284.80-423,581.40

Finding the Fourth Proportional to 1,545,512.40, 2,318,284.80 and 423,581.40

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Solution

The fourth proportional to 1,545,512.40, 2,318,284.80 and 423,581.40 is: 635,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,512.40 : 2,318,284.80 = 423,581.40 : x
  2. Step 2: Convert to fraction form
    1,545,512.40/2,318,284.80 = 423,581.40/x
  3. Step 3: Cross multiply
    1,545,512.40x = 2,318,284.80 × 423,581.40
  4. Step 4: Simplify right side
    1,545,512.40x = 981,982,321,182.72
  5. Step 5: Solve for x
    x = 981,982,321,182.72/1,545,512.40
  6. Step 6: Final answer
    x = 635,376.54

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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.