Home / 1,312,234.40-1,968,429.36-413,704.64

Finding the Fourth Proportional to 1,312,234.40, 1,968,429.36 and 413,704.64

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Solution

The fourth proportional to 1,312,234.40, 1,968,429.36 and 413,704.64 is: 620,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,234.40 : 1,968,429.36 = 413,704.64 : x
  2. Step 2: Convert to fraction form
    1,312,234.40/1,968,429.36 = 413,704.64/x
  3. Step 3: Cross multiply
    1,312,234.40x = 1,968,429.36 × 413,704.64
  4. Step 4: Simplify right side
    1,312,234.40x = 814,348,359,744.23
  5. Step 5: Solve for x
    x = 814,348,359,744.23/1,312,234.40
  6. Step 6: Final answer
    x = 620,581.48

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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.