Home / 1,265,440.80-1,746,308.13-692,480.82

Finding the Fourth Proportional to 1,265,440.80, 1,746,308.13 and 692,480.82

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Solution

The fourth proportional to 1,265,440.80, 1,746,308.13 and 692,480.82 is: 955,623.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,440.80 : 1,746,308.13 = 692,480.82 : x
  2. Step 2: Convert to fraction form
    1,265,440.80/1,746,308.13 = 692,480.82/x
  3. Step 3: Cross multiply
    1,265,440.80x = 1,746,308.13 × 692,480.82
  4. Step 4: Simplify right side
    1,265,440.80x = 1,209,284,885,835.07
  5. Step 5: Solve for x
    x = 1,209,284,885,835.07/1,265,440.80
  6. Step 6: Final answer
    x = 955,623.44

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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.