Home / 841,465.82-1,261,263.78-641,125.70

Finding the Fourth Proportional to 841,465.82, 1,261,263.78 and 641,125.70

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Solution

The fourth proportional to 841,465.82, 1,261,263.78 and 641,125.70 is: 960,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,465.82 : 1,261,263.78 = 641,125.70 : x
  2. Step 2: Convert to fraction form
    841,465.82/1,261,263.78 = 641,125.70/x
  3. Step 3: Cross multiply
    841,465.82x = 1,261,263.78 × 641,125.70
  4. Step 4: Simplify right side
    841,465.82x = 808,628,623,837.15
  5. Step 5: Solve for x
    x = 808,628,623,837.15/841,465.82
  6. Step 6: Final answer
    x = 960,976.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.