Home / 1,000,519.50-1,501,195.05-401,905.20

Finding the Fourth Proportional to 1,000,519.50, 1,501,195.05 and 401,905.20

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Solution

The fourth proportional to 1,000,519.50, 1,501,195.05 and 401,905.20 is: 603,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,519.50 : 1,501,195.05 = 401,905.20 : x
  2. Step 2: Convert to fraction form
    1,000,519.50/1,501,195.05 = 401,905.20/x
  3. Step 3: Cross multiply
    1,000,519.50x = 1,501,195.05 × 401,905.20
  4. Step 4: Simplify right side
    1,000,519.50x = 603,338,096,809.26
  5. Step 5: Solve for x
    x = 603,338,096,809.26/1,000,519.50
  6. Step 6: Final answer
    x = 603,024.83

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1.5x scale

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.