Home / 1,376,936.31-2,063,927.81-665,986.35

Finding the Fourth Proportional to 1,376,936.31, 2,063,927.81 and 665,986.35

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Solution

The fourth proportional to 1,376,936.31, 2,063,927.81 and 665,986.35 is: 998,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,936.31 : 2,063,927.81 = 665,986.35 : x
  2. Step 2: Convert to fraction form
    1,376,936.31/2,063,927.81 = 665,986.35/x
  3. Step 3: Cross multiply
    1,376,936.31x = 2,063,927.81 × 665,986.35
  4. Step 4: Simplify right side
    1,376,936.31x = 1,374,547,745,515.46
  5. Step 5: Solve for x
    x = 1,374,547,745,515.46/1,376,936.31
  6. Step 6: Final answer
    x = 998,265.31

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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.