Home / 1,518,161.31-2,277,640.71-545,623.74

Finding the Fourth Proportional to 1,518,161.31, 2,277,640.71 and 545,623.74

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Solution

The fourth proportional to 1,518,161.31, 2,277,640.71 and 545,623.74 is: 818,578.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,161.31 : 2,277,640.71 = 545,623.74 : x
  2. Step 2: Convert to fraction form
    1,518,161.31/2,277,640.71 = 545,623.74/x
  3. Step 3: Cross multiply
    1,518,161.31x = 2,277,640.71 × 545,623.74
  4. Step 4: Simplify right side
    1,518,161.31x = 1,242,734,842,566.46
  5. Step 5: Solve for x
    x = 1,242,734,842,566.46/1,518,161.31
  6. Step 6: Final answer
    x = 818,578.92

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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.