Home / 1,264,667.55-1,745,282.90-691,707.67

Finding the Fourth Proportional to 1,264,667.55, 1,745,282.90 and 691,707.67

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Solution

The fourth proportional to 1,264,667.55, 1,745,282.90 and 691,707.67 is: 954,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,667.55 : 1,745,282.90 = 691,707.67 : x
  2. Step 2: Convert to fraction form
    1,264,667.55/1,745,282.90 = 691,707.67/x
  3. Step 3: Cross multiply
    1,264,667.55x = 1,745,282.90 × 691,707.67
  4. Step 4: Simplify right side
    1,264,667.55x = 1,207,225,565,615.91
  5. Step 5: Solve for x
    x = 1,207,225,565,615.91/1,264,667.55
  6. Step 6: Final answer
    x = 954,579.38

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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.