Home / 1,338,444.32-1,846,858.34-765,373.76

Finding the Fourth Proportional to 1,338,444.32, 1,846,858.34 and 765,373.76

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Solution

The fourth proportional to 1,338,444.32, 1,846,858.34 and 765,373.76 is: 1,056,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,444.32 : 1,846,858.34 = 765,373.76 : x
  2. Step 2: Convert to fraction form
    1,338,444.32/1,846,858.34 = 765,373.76/x
  3. Step 3: Cross multiply
    1,338,444.32x = 1,846,858.34 × 765,373.76
  4. Step 4: Simplify right side
    1,338,444.32x = 1,413,536,911,873.16
  5. Step 5: Solve for x
    x = 1,413,536,911,873.16/1,338,444.32
  6. Step 6: Final answer
    x = 1,056,104.38

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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.