Home / 1,423,578.42-1,965,038.13-880,131.06

Finding the Fourth Proportional to 1,423,578.42, 1,965,038.13 and 880,131.06

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Solution

The fourth proportional to 1,423,578.42, 1,965,038.13 and 880,131.06 is: 1,214,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,578.42 : 1,965,038.13 = 880,131.06 : x
  2. Step 2: Convert to fraction form
    1,423,578.42/1,965,038.13 = 880,131.06/x
  3. Step 3: Cross multiply
    1,423,578.42x = 1,965,038.13 × 880,131.06
  4. Step 4: Simplify right side
    1,423,578.42x = 1,729,491,092,297.32
  5. Step 5: Solve for x
    x = 1,729,491,092,297.32/1,423,578.42
  6. Step 6: Final answer
    x = 1,214,889.93

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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.