Home / 1,293,989.70-1,940,984.55-734,117.70

Finding the Fourth Proportional to 1,293,989.70, 1,940,984.55 and 734,117.70

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Solution

The fourth proportional to 1,293,989.70, 1,940,984.55 and 734,117.70 is: 1,101,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,989.70 : 1,940,984.55 = 734,117.70 : x
  2. Step 2: Convert to fraction form
    1,293,989.70/1,940,984.55 = 734,117.70/x
  3. Step 3: Cross multiply
    1,293,989.70x = 1,940,984.55 × 734,117.70
  4. Step 4: Simplify right side
    1,293,989.70x = 1,424,911,113,581.54
  5. Step 5: Solve for x
    x = 1,424,911,113,581.54/1,293,989.70
  6. Step 6: Final answer
    x = 1,101,176.55

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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.