Home / 841,144.17-1,261,716.31-671,871.97

Finding the Fourth Proportional to 841,144.17, 1,261,716.31 and 671,871.97

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Solution

The fourth proportional to 841,144.17, 1,261,716.31 and 671,871.97 is: 1,007,807.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,144.17 : 1,261,716.31 = 671,871.97 : x
  2. Step 2: Convert to fraction form
    841,144.17/1,261,716.31 = 671,871.97/x
  3. Step 3: Cross multiply
    841,144.17x = 1,261,716.31 × 671,871.97
  4. Step 4: Simplify right side
    841,144.17x = 847,711,818,100.66
  5. Step 5: Solve for x
    x = 847,711,818,100.66/841,144.17
  6. Step 6: Final answer
    x = 1,007,807.99

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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.