Home / 1,333,724.35-1,840,539.46-721,877

Finding the Fourth Proportional to 1,333,724.35, 1,840,539.46 and 721,877

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Solution

The fourth proportional to 1,333,724.35, 1,840,539.46 and 721,877 is: 996,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,724.35 : 1,840,539.46 = 721,877 : x
  2. Step 2: Convert to fraction form
    1,333,724.35/1,840,539.46 = 721,877/x
  3. Step 3: Cross multiply
    1,333,724.35x = 1,840,539.46 × 721,877
  4. Step 4: Simplify right side
    1,333,724.35x = 1,328,643,103,766.42
  5. Step 5: Solve for x
    x = 1,328,643,103,766.42/1,333,724.35
  6. Step 6: Final answer
    x = 996,190.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.