Home / 1,312,549.95-1,968,936.09-365,921.58

Finding the Fourth Proportional to 1,312,549.95, 1,968,936.09 and 365,921.58

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Solution

The fourth proportional to 1,312,549.95, 1,968,936.09 and 365,921.58 is: 548,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,549.95 : 1,968,936.09 = 365,921.58 : x
  2. Step 2: Convert to fraction form
    1,312,549.95/1,968,936.09 = 365,921.58/x
  3. Step 3: Cross multiply
    1,312,549.95x = 1,968,936.09 × 365,921.58
  4. Step 4: Simplify right side
    1,312,549.95x = 720,476,204,971.82
  5. Step 5: Solve for x
    x = 720,476,204,971.82/1,312,549.95
  6. Step 6: Final answer
    x = 548,913.36

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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.