Home / 1,370,277-2,055,611.52-423,720.72

Finding the Fourth Proportional to 1,370,277, 2,055,611.52 and 423,720.72

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Solution

The fourth proportional to 1,370,277, 2,055,611.52 and 423,720.72 is: 635,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,277 : 2,055,611.52 = 423,720.72 : x
  2. Step 2: Convert to fraction form
    1,370,277/2,055,611.52 = 423,720.72/x
  3. Step 3: Cross multiply
    1,370,277x = 2,055,611.52 × 423,720.72
  4. Step 4: Simplify right side
    1,370,277x = 871,005,193,294.69
  5. Step 5: Solve for x
    x = 871,005,193,294.69/1,370,277
  6. Step 6: Final answer
    x = 635,641.69

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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.