Home / 1,276,895.69-1,914,926.81-423,738.17

Finding the Fourth Proportional to 1,276,895.69, 1,914,926.81 and 423,738.17

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Solution

The fourth proportional to 1,276,895.69, 1,914,926.81 and 423,738.17 is: 635,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,895.69 : 1,914,926.81 = 423,738.17 : x
  2. Step 2: Convert to fraction form
    1,276,895.69/1,914,926.81 = 423,738.17/x
  3. Step 3: Cross multiply
    1,276,895.69x = 1,914,926.81 × 423,738.17
  4. Step 4: Simplify right side
    1,276,895.69x = 811,427,570,460.01
  5. Step 5: Solve for x
    x = 811,427,570,460.01/1,276,895.69
  6. Step 6: Final answer
    x = 635,468.96

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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.