Home / 1,318,714-1,819,825.32-715,102.48

Finding the Fourth Proportional to 1,318,714, 1,819,825.32 and 715,102.48

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Solution

The fourth proportional to 1,318,714, 1,819,825.32 and 715,102.48 is: 986,841.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,714 : 1,819,825.32 = 715,102.48 : x
  2. Step 2: Convert to fraction form
    1,318,714/1,819,825.32 = 715,102.48/x
  3. Step 3: Cross multiply
    1,318,714x = 1,819,825.32 × 715,102.48
  4. Step 4: Simplify right side
    1,318,714x = 1,301,361,599,498.79
  5. Step 5: Solve for x
    x = 1,301,361,599,498.79/1,318,714
  6. Step 6: Final answer
    x = 986,841.42

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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.