Home / 1,578,009.24-2,367,013.77-1,311,960.60

Finding the Fourth Proportional to 1,578,009.24, 2,367,013.77 and 1,311,960.60

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Solution

The fourth proportional to 1,578,009.24, 2,367,013.77 and 1,311,960.60 is: 1,967,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,009.24 : 2,367,013.77 = 1,311,960.60 : x
  2. Step 2: Convert to fraction form
    1,578,009.24/2,367,013.77 = 1,311,960.60/x
  3. Step 3: Cross multiply
    1,578,009.24x = 2,367,013.77 × 1,311,960.60
  4. Step 4: Simplify right side
    1,578,009.24x = 3,105,428,805,897.46
  5. Step 5: Solve for x
    x = 3,105,428,805,897.46/1,578,009.24
  6. Step 6: Final answer
    x = 1,967,940.83

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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.