Home / 1,087,929.77-1,631,451.78-488,729.97

Finding the Fourth Proportional to 1,087,929.77, 1,631,451.78 and 488,729.97

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Solution

The fourth proportional to 1,087,929.77, 1,631,451.78 and 488,729.97 is: 732,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,929.77 : 1,631,451.78 = 488,729.97 : x
  2. Step 2: Convert to fraction form
    1,087,929.77/1,631,451.78 = 488,729.97/x
  3. Step 3: Cross multiply
    1,087,929.77x = 1,631,451.78 × 488,729.97
  4. Step 4: Simplify right side
    1,087,929.77x = 797,339,379,495.85
  5. Step 5: Solve for x
    x = 797,339,379,495.85/1,087,929.77
  6. Step 6: Final answer
    x = 732,896.01

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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.