Home / 1,003,861.20-1,506,302.10-667,136.10

Finding the Fourth Proportional to 1,003,861.20, 1,506,302.10 and 667,136.10

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Solution

The fourth proportional to 1,003,861.20, 1,506,302.10 and 667,136.10 is: 1,001,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,861.20 : 1,506,302.10 = 667,136.10 : x
  2. Step 2: Convert to fraction form
    1,003,861.20/1,506,302.10 = 667,136.10/x
  3. Step 3: Cross multiply
    1,003,861.20x = 1,506,302.10 × 667,136.10
  4. Step 4: Simplify right side
    1,003,861.20x = 1,004,908,508,415.81
  5. Step 5: Solve for x
    x = 1,004,908,508,415.81/1,003,861.20
  6. Step 6: Final answer
    x = 1,001,043.28

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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.