Home / 1,253,019.42-1,729,122.93-680,048.10

Finding the Fourth Proportional to 1,253,019.42, 1,729,122.93 and 680,048.10

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Solution

The fourth proportional to 1,253,019.42, 1,729,122.93 and 680,048.10 is: 938,442.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,019.42 : 1,729,122.93 = 680,048.10 : x
  2. Step 2: Convert to fraction form
    1,253,019.42/1,729,122.93 = 680,048.10/x
  3. Step 3: Cross multiply
    1,253,019.42x = 1,729,122.93 × 680,048.10
  4. Step 4: Simplify right side
    1,253,019.42x = 1,175,886,763,212.93
  5. Step 5: Solve for x
    x = 1,175,886,763,212.93/1,253,019.42
  6. Step 6: Final answer
    x = 938,442.57

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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.