Home / 1,265,009.28-1,897,396.32-354,274.08

Finding the Fourth Proportional to 1,265,009.28, 1,897,396.32 and 354,274.08

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Solution

The fourth proportional to 1,265,009.28, 1,897,396.32 and 354,274.08 is: 531,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,009.28 : 1,897,396.32 = 354,274.08 : x
  2. Step 2: Convert to fraction form
    1,265,009.28/1,897,396.32 = 354,274.08/x
  3. Step 3: Cross multiply
    1,265,009.28x = 1,897,396.32 × 354,274.08
  4. Step 4: Simplify right side
    1,265,009.28x = 672,198,335,663.39
  5. Step 5: Solve for x
    x = 672,198,335,663.39/1,265,009.28
  6. Step 6: Final answer
    x = 531,378.19

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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.