Home / 1,173,956.40-1,760,934.60-425,905.20

Finding the Fourth Proportional to 1,173,956.40, 1,760,934.60 and 425,905.20

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Solution

The fourth proportional to 1,173,956.40, 1,760,934.60 and 425,905.20 is: 638,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,956.40 : 1,760,934.60 = 425,905.20 : x
  2. Step 2: Convert to fraction form
    1,173,956.40/1,760,934.60 = 425,905.20/x
  3. Step 3: Cross multiply
    1,173,956.40x = 1,760,934.60 × 425,905.20
  4. Step 4: Simplify right side
    1,173,956.40x = 749,991,202,999.92
  5. Step 5: Solve for x
    x = 749,991,202,999.92/1,173,956.40
  6. Step 6: Final answer
    x = 638,857.80

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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.