Home / 1,369,351.78-1,889,707.12-749,164.75

Finding the Fourth Proportional to 1,369,351.78, 1,889,707.12 and 749,164.75

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Solution

The fourth proportional to 1,369,351.78, 1,889,707.12 and 749,164.75 is: 1,033,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,351.78 : 1,889,707.12 = 749,164.75 : x
  2. Step 2: Convert to fraction form
    1,369,351.78/1,889,707.12 = 749,164.75/x
  3. Step 3: Cross multiply
    1,369,351.78x = 1,889,707.12 × 749,164.75
  4. Step 4: Simplify right side
    1,369,351.78x = 1,415,701,955,530.84
  5. Step 5: Solve for x
    x = 1,415,701,955,530.84/1,369,351.78
  6. Step 6: Final answer
    x = 1,033,848.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.