Home / 1,190,301.92-1,784,796.80-620,260.40

Finding the Fourth Proportional to 1,190,301.92, 1,784,796.80 and 620,260.40

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Solution

The fourth proportional to 1,190,301.92, 1,784,796.80 and 620,260.40 is: 930,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,301.92 : 1,784,796.80 = 620,260.40 : x
  2. Step 2: Convert to fraction form
    1,190,301.92/1,784,796.80 = 620,260.40/x
  3. Step 3: Cross multiply
    1,190,301.92x = 1,784,796.80 × 620,260.40
  4. Step 4: Simplify right side
    1,190,301.92x = 1,107,038,777,086.72
  5. Step 5: Solve for x
    x = 1,107,038,777,086.72/1,190,301.92
  6. Step 6: Final answer
    x = 930,048.72

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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.