Home / 854,125.80-1,281,188.70-841,684.20

Finding the Fourth Proportional to 854,125.80, 1,281,188.70 and 841,684.20

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Solution

The fourth proportional to 854,125.80, 1,281,188.70 and 841,684.20 is: 1,262,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,125.80 : 1,281,188.70 = 841,684.20 : x
  2. Step 2: Convert to fraction form
    854,125.80/1,281,188.70 = 841,684.20/x
  3. Step 3: Cross multiply
    854,125.80x = 1,281,188.70 × 841,684.20
  4. Step 4: Simplify right side
    854,125.80x = 1,078,356,286,008.54
  5. Step 5: Solve for x
    x = 1,078,356,286,008.54/854,125.80
  6. Step 6: Final answer
    x = 1,262,526.30

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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.