Home / 1,022,540.64-1,413,657-767,448.96

Finding the Fourth Proportional to 1,022,540.64, 1,413,657 and 767,448.96

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Solution

The fourth proportional to 1,022,540.64, 1,413,657 and 767,448.96 is: 1,060,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,540.64 : 1,413,657 = 767,448.96 : x
  2. Step 2: Convert to fraction form
    1,022,540.64/1,413,657 = 767,448.96/x
  3. Step 3: Cross multiply
    1,022,540.64x = 1,413,657 × 767,448.96
  4. Step 4: Simplify right side
    1,022,540.64x = 1,084,909,594,446.72
  5. Step 5: Solve for x
    x = 1,084,909,594,446.72/1,022,540.64
  6. Step 6: Final answer
    x = 1,060,994.11

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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.