Home / 854,557.70-1,281,836.55-854,557.70

Finding the Fourth Proportional to 854,557.70, 1,281,836.55 and 854,557.70

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Solution

The fourth proportional to 854,557.70, 1,281,836.55 and 854,557.70 is: 1,281,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,557.70 : 1,281,836.55 = 854,557.70 : x
  2. Step 2: Convert to fraction form
    854,557.70/1,281,836.55 = 854,557.70/x
  3. Step 3: Cross multiply
    854,557.70x = 1,281,836.55 × 854,557.70
  4. Step 4: Simplify right side
    854,557.70x = 1,095,403,293,943.94
  5. Step 5: Solve for x
    x = 1,095,403,293,943.94/854,557.70
  6. Step 6: Final answer
    x = 1,281,836.55

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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.