Home / 1,727,434.47-2,384,623.95-1,115,885.37

Finding the Fourth Proportional to 1,727,434.47, 2,384,623.95 and 1,115,885.37

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Solution

The fourth proportional to 1,727,434.47, 2,384,623.95 and 1,115,885.37 is: 1,540,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,434.47 : 2,384,623.95 = 1,115,885.37 : x
  2. Step 2: Convert to fraction form
    1,727,434.47/2,384,623.95 = 1,115,885.37/x
  3. Step 3: Cross multiply
    1,727,434.47x = 2,384,623.95 × 1,115,885.37
  4. Step 4: Simplify right side
    1,727,434.47x = 2,660,966,978,756.61
  5. Step 5: Solve for x
    x = 2,660,966,978,756.61/1,727,434.47
  6. Step 6: Final answer
    x = 1,540,415.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.