Home / 1,376,935.32-2,063,926.30-665,985.36

Finding the Fourth Proportional to 1,376,935.32, 2,063,926.30 and 665,985.36

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Solution

The fourth proportional to 1,376,935.32, 2,063,926.30 and 665,985.36 is: 998,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,935.32 : 2,063,926.30 = 665,985.36 : x
  2. Step 2: Convert to fraction form
    1,376,935.32/2,063,926.30 = 665,985.36/x
  3. Step 3: Cross multiply
    1,376,935.32x = 2,063,926.30 × 665,985.36
  4. Step 4: Simplify right side
    1,376,935.32x = 1,374,544,699,918.97
  5. Step 5: Solve for x
    x = 1,374,544,699,918.97/1,376,935.32
  6. Step 6: Final answer
    x = 998,263.81

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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.