Home / 1,259,754.28-1,889,929.50-501,639.64

Finding the Fourth Proportional to 1,259,754.28, 1,889,929.50 and 501,639.64

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Solution

The fourth proportional to 1,259,754.28, 1,889,929.50 and 501,639.64 is: 752,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,754.28 : 1,889,929.50 = 501,639.64 : x
  2. Step 2: Convert to fraction form
    1,259,754.28/1,889,929.50 = 501,639.64/x
  3. Step 3: Cross multiply
    1,259,754.28x = 1,889,929.50 × 501,639.64
  4. Step 4: Simplify right side
    1,259,754.28x = 948,063,554,005.38
  5. Step 5: Solve for x
    x = 948,063,554,005.38/1,259,754.28
  6. Step 6: Final answer
    x = 752,578.16

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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.