Home / 1,264,990.21-1,895,713.80-665,052.37

Finding the Fourth Proportional to 1,264,990.21, 1,895,713.80 and 665,052.37

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Solution

The fourth proportional to 1,264,990.21, 1,895,713.80 and 665,052.37 is: 996,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,990.21 : 1,895,713.80 = 665,052.37 : x
  2. Step 2: Convert to fraction form
    1,264,990.21/1,895,713.80 = 665,052.37/x
  3. Step 3: Cross multiply
    1,264,990.21x = 1,895,713.80 × 665,052.37
  4. Step 4: Simplify right side
    1,264,990.21x = 1,260,748,955,531.71
  5. Step 5: Solve for x
    x = 1,260,748,955,531.71/1,264,990.21
  6. Step 6: Final answer
    x = 996,647.20

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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.