Home / 1,376,887.25-2,064,842.14-403,980

Finding the Fourth Proportional to 1,376,887.25, 2,064,842.14 and 403,980

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Solution

The fourth proportional to 1,376,887.25, 2,064,842.14 and 403,980 is: 605,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,887.25 : 2,064,842.14 = 403,980 : x
  2. Step 2: Convert to fraction form
    1,376,887.25/2,064,842.14 = 403,980/x
  3. Step 3: Cross multiply
    1,376,887.25x = 2,064,842.14 × 403,980
  4. Step 4: Simplify right side
    1,376,887.25x = 834,154,926,707.25
  5. Step 5: Solve for x
    x = 834,154,926,707.25/1,376,887.25
  6. Step 6: Final answer
    x = 605,826.60

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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.