Home / 1,154,173.74-1,739,138.69-948,420.78

Finding the Fourth Proportional to 1,154,173.74, 1,739,138.69 and 948,420.78

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Solution

The fourth proportional to 1,154,173.74, 1,739,138.69 and 948,420.78 is: 1,429,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,173.74 : 1,739,138.69 = 948,420.78 : x
  2. Step 2: Convert to fraction form
    1,154,173.74/1,739,138.69 = 948,420.78/x
  3. Step 3: Cross multiply
    1,154,173.74x = 1,739,138.69 × 948,420.78
  4. Step 4: Simplify right side
    1,154,173.74x = 1,649,435,268,155.87
  5. Step 5: Solve for x
    x = 1,649,435,268,155.87/1,154,173.74
  6. Step 6: Final answer
    x = 1,429,104.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.