Home / 1,259,313.70-1,737,893.60-715,439.60

Finding the Fourth Proportional to 1,259,313.70, 1,737,893.60 and 715,439.60

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Solution

The fourth proportional to 1,259,313.70, 1,737,893.60 and 715,439.60 is: 987,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,313.70 : 1,737,893.60 = 715,439.60 : x
  2. Step 2: Convert to fraction form
    1,259,313.70/1,737,893.60 = 715,439.60/x
  3. Step 3: Cross multiply
    1,259,313.70x = 1,737,893.60 × 715,439.60
  4. Step 4: Simplify right side
    1,259,313.70x = 1,243,357,902,026.56
  5. Step 5: Solve for x
    x = 1,243,357,902,026.56/1,259,313.70
  6. Step 6: Final answer
    x = 987,329.77

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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.