Home / 1,093,772.12-1,638,460.76-545,009.40

Finding the Fourth Proportional to 1,093,772.12, 1,638,460.76 and 545,009.40

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Solution

The fourth proportional to 1,093,772.12, 1,638,460.76 and 545,009.40 is: 816,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,772.12 : 1,638,460.76 = 545,009.40 : x
  2. Step 2: Convert to fraction form
    1,093,772.12/1,638,460.76 = 545,009.40/x
  3. Step 3: Cross multiply
    1,093,772.12x = 1,638,460.76 × 545,009.40
  4. Step 4: Simplify right side
    1,093,772.12x = 892,976,513,767.69
  5. Step 5: Solve for x
    x = 892,976,513,767.69/1,093,772.12
  6. Step 6: Final answer
    x = 816,419.16

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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.