Home / 1,297,784.50-1,946,676.75-411,320.50

Finding the Fourth Proportional to 1,297,784.50, 1,946,676.75 and 411,320.50

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Solution

The fourth proportional to 1,297,784.50, 1,946,676.75 and 411,320.50 is: 616,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,784.50 : 1,946,676.75 = 411,320.50 : x
  2. Step 2: Convert to fraction form
    1,297,784.50/1,946,676.75 = 411,320.50/x
  3. Step 3: Cross multiply
    1,297,784.50x = 1,946,676.75 × 411,320.50
  4. Step 4: Simplify right side
    1,297,784.50x = 800,708,054,148.38
  5. Step 5: Solve for x
    x = 800,708,054,148.38/1,297,784.50
  6. Step 6: Final answer
    x = 616,980.75

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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.