Home / 1,109,471.13-1,664,301.36-389,749.93

Finding the Fourth Proportional to 1,109,471.13, 1,664,301.36 and 389,749.93

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Solution

The fourth proportional to 1,109,471.13, 1,664,301.36 and 389,749.93 is: 584,658.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,471.13 : 1,664,301.36 = 389,749.93 : x
  2. Step 2: Convert to fraction form
    1,109,471.13/1,664,301.36 = 389,749.93/x
  3. Step 3: Cross multiply
    1,109,471.13x = 1,664,301.36 × 389,749.93
  4. Step 4: Simplify right side
    1,109,471.13x = 648,661,338,558.91
  5. Step 5: Solve for x
    x = 648,661,338,558.91/1,109,471.13
  6. Step 6: Final answer
    x = 584,658.15

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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.