Home / 1,145,180.75-1,717,959.74-387,068.13

Finding the Fourth Proportional to 1,145,180.75, 1,717,959.74 and 387,068.13

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Solution

The fourth proportional to 1,145,180.75, 1,717,959.74 and 387,068.13 is: 580,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,180.75 : 1,717,959.74 = 387,068.13 : x
  2. Step 2: Convert to fraction form
    1,145,180.75/1,717,959.74 = 387,068.13/x
  3. Step 3: Cross multiply
    1,145,180.75x = 1,717,959.74 × 387,068.13
  4. Step 4: Simplify right side
    1,145,180.75x = 664,967,462,041.75
  5. Step 5: Solve for x
    x = 664,967,462,041.75/1,145,180.75
  6. Step 6: Final answer
    x = 580,665.95

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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.