Home / 1,136,730.18-1,568,588.28-728,111.10

Finding the Fourth Proportional to 1,136,730.18, 1,568,588.28 and 728,111.10

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Solution

The fourth proportional to 1,136,730.18, 1,568,588.28 and 728,111.10 is: 1,004,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,730.18 : 1,568,588.28 = 728,111.10 : x
  2. Step 2: Convert to fraction form
    1,136,730.18/1,568,588.28 = 728,111.10/x
  3. Step 3: Cross multiply
    1,136,730.18x = 1,568,588.28 × 728,111.10
  4. Step 4: Simplify right side
    1,136,730.18x = 1,142,106,537,997.91
  5. Step 5: Solve for x
    x = 1,142,106,537,997.91/1,136,730.18
  6. Step 6: Final answer
    x = 1,004,729.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.