Home / 1,189,299.83-1,782,370.24-648,166.77

Finding the Fourth Proportional to 1,189,299.83, 1,782,370.24 and 648,166.77

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Solution

The fourth proportional to 1,189,299.83, 1,782,370.24 and 648,166.77 is: 971,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,299.83 : 1,782,370.24 = 648,166.77 : x
  2. Step 2: Convert to fraction form
    1,189,299.83/1,782,370.24 = 648,166.77/x
  3. Step 3: Cross multiply
    1,189,299.83x = 1,782,370.24 × 648,166.77
  4. Step 4: Simplify right side
    1,189,299.83x = 1,155,273,159,784.51
  5. Step 5: Solve for x
    x = 1,155,273,159,784.51/1,189,299.83
  6. Step 6: Final answer
    x = 971,389.33

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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.