Home / 1,293,370.20-1,940,346.90-394,853.40

Finding the Fourth Proportional to 1,293,370.20, 1,940,346.90 and 394,853.40

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Solution

The fourth proportional to 1,293,370.20, 1,940,346.90 and 394,853.40 is: 592,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,370.20 : 1,940,346.90 = 394,853.40 : x
  2. Step 2: Convert to fraction form
    1,293,370.20/1,940,346.90 = 394,853.40/x
  3. Step 3: Cross multiply
    1,293,370.20x = 1,940,346.90 × 394,853.40
  4. Step 4: Simplify right side
    1,293,370.20x = 766,152,570,644.46
  5. Step 5: Solve for x
    x = 766,152,570,644.46/1,293,370.20
  6. Step 6: Final answer
    x = 592,369.12

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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.