Home / 1,165,923.56-1,749,393.57-408,308.48

Finding the Fourth Proportional to 1,165,923.56, 1,749,393.57 and 408,308.48

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Solution

The fourth proportional to 1,165,923.56, 1,749,393.57 and 408,308.48 is: 612,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,923.56 : 1,749,393.57 = 408,308.48 : x
  2. Step 2: Convert to fraction form
    1,165,923.56/1,749,393.57 = 408,308.48/x
  3. Step 3: Cross multiply
    1,165,923.56x = 1,749,393.57 × 408,308.48
  4. Step 4: Simplify right side
    1,165,923.56x = 714,292,220,741.51
  5. Step 5: Solve for x
    x = 714,292,220,741.51/1,165,923.56
  6. Step 6: Final answer
    x = 612,640.70

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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.