Home / 1,523,147.40-2,102,175-972,100.86

Finding the Fourth Proportional to 1,523,147.40, 2,102,175 and 972,100.86

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Solution

The fourth proportional to 1,523,147.40, 2,102,175 and 972,100.86 is: 1,341,646.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,147.40 : 2,102,175 = 972,100.86 : x
  2. Step 2: Convert to fraction form
    1,523,147.40/2,102,175 = 972,100.86/x
  3. Step 3: Cross multiply
    1,523,147.40x = 2,102,175 × 972,100.86
  4. Step 4: Simplify right side
    1,523,147.40x = 2,043,526,125,370.50
  5. Step 5: Solve for x
    x = 2,043,526,125,370.50/1,523,147.40
  6. Step 6: Final answer
    x = 1,341,646.99

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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.