Home / 1,268,882.43-1,903,821.80-558,412.10

Finding the Fourth Proportional to 1,268,882.43, 1,903,821.80 and 558,412.10

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Solution

The fourth proportional to 1,268,882.43, 1,903,821.80 and 558,412.10 is: 837,837.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,882.43 : 1,903,821.80 = 558,412.10 : x
  2. Step 2: Convert to fraction form
    1,268,882.43/1,903,821.80 = 558,412.10/x
  3. Step 3: Cross multiply
    1,268,882.43x = 1,903,821.80 × 558,412.10
  4. Step 4: Simplify right side
    1,268,882.43x = 1,063,117,117,052.61
  5. Step 5: Solve for x
    x = 1,063,117,117,052.61/1,268,882.43
  6. Step 6: Final answer
    x = 837,837.37

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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.