Home / 1,253,135.16-1,729,328.27-680,175.45

Finding the Fourth Proportional to 1,253,135.16, 1,729,328.27 and 680,175.45

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Solution

The fourth proportional to 1,253,135.16, 1,729,328.27 and 680,175.45 is: 938,643.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,135.16 : 1,729,328.27 = 680,175.45 : x
  2. Step 2: Convert to fraction form
    1,253,135.16/1,729,328.27 = 680,175.45/x
  3. Step 3: Cross multiply
    1,253,135.16x = 1,729,328.27 × 680,175.45
  4. Step 4: Simplify right side
    1,253,135.16x = 1,176,246,630,844.09
  5. Step 5: Solve for x
    x = 1,176,246,630,844.09/1,253,135.16
  6. Step 6: Final answer
    x = 938,643.07

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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.