Home / 1,238,785.60-1,857,717.60-490,676.80

Finding the Fourth Proportional to 1,238,785.60, 1,857,717.60 and 490,676.80

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Solution

The fourth proportional to 1,238,785.60, 1,857,717.60 and 490,676.80 is: 735,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,785.60 : 1,857,717.60 = 490,676.80 : x
  2. Step 2: Convert to fraction form
    1,238,785.60/1,857,717.60 = 490,676.80/x
  3. Step 3: Cross multiply
    1,238,785.60x = 1,857,717.60 × 490,676.80
  4. Step 4: Simplify right side
    1,238,785.60x = 911,538,927,271.68
  5. Step 5: Solve for x
    x = 911,538,927,271.68/1,238,785.60
  6. Step 6: Final answer
    x = 735,832.68

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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.