Home / 1,265,721.31-1,746,695.40-692,761.48

Finding the Fourth Proportional to 1,265,721.31, 1,746,695.40 and 692,761.48

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Solution

The fourth proportional to 1,265,721.31, 1,746,695.40 and 692,761.48 is: 956,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,721.31 : 1,746,695.40 = 692,761.48 : x
  2. Step 2: Convert to fraction form
    1,265,721.31/1,746,695.40 = 692,761.48/x
  3. Step 3: Cross multiply
    1,265,721.31x = 1,746,695.40 × 692,761.48
  4. Step 4: Simplify right side
    1,265,721.31x = 1,210,043,286,046.45
  5. Step 5: Solve for x
    x = 1,210,043,286,046.45/1,265,721.31
  6. Step 6: Final answer
    x = 956,010.84

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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.