Home / 1,263,186.28-1,894,701.66-421,667.56

Finding the Fourth Proportional to 1,263,186.28, 1,894,701.66 and 421,667.56

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Solution

The fourth proportional to 1,263,186.28, 1,894,701.66 and 421,667.56 is: 632,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,186.28 : 1,894,701.66 = 421,667.56 : x
  2. Step 2: Convert to fraction form
    1,263,186.28/1,894,701.66 = 421,667.56/x
  3. Step 3: Cross multiply
    1,263,186.28x = 1,894,701.66 × 421,667.56
  4. Step 4: Simplify right side
    1,263,186.28x = 798,934,225,900.15
  5. Step 5: Solve for x
    x = 798,934,225,900.15/1,263,186.28
  6. Step 6: Final answer
    x = 632,475.38

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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.