Home / 1,087,324.72-1,500,511.59-603,889.78

Finding the Fourth Proportional to 1,087,324.72, 1,500,511.59 and 603,889.78

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Solution

The fourth proportional to 1,087,324.72, 1,500,511.59 and 603,889.78 is: 833,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,324.72 : 1,500,511.59 = 603,889.78 : x
  2. Step 2: Convert to fraction form
    1,087,324.72/1,500,511.59 = 603,889.78/x
  3. Step 3: Cross multiply
    1,087,324.72x = 1,500,511.59 × 603,889.78
  4. Step 4: Simplify right side
    1,087,324.72x = 906,143,613,972.55
  5. Step 5: Solve for x
    x = 906,143,613,972.55/1,087,324.72
  6. Step 6: Final answer
    x = 833,369.83

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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.